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class=\"fs-title\">Web\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u3001\u79c1\u305f\u3061\u306f\u300cexample.com\u300d\u3068\u3044\u3063\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u540c\u58eb\u304c\u901a\u4fe1\u3059\u308b\u305f\u3081\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3060\u3051\u3067\u306f\u76ee\u7684\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u5f79\u7acb\u3064\u306e\u304cDNS\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\"><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">DNS\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u3001\u7d10\u3065\u3051\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/mark><\/strong>\u4f8b\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u300cexample.com\u300d\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001DNS\u30b5\u30fc\u30d0\u30fc\u304c\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u7d22\u3057\u3001\u9069\u5207\u306aWeb\u30b5\u30fc\u30d0\u30fc\u3078\u6848\u5185\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u610f\u8b58\u305b\u305a\u3001\u7c21\u5358\u306bWeb\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u4ed5\u7d44\u307f\u3092\u53ef\u80fd\u306b\u3059\u308b\u306e\u304c\u300cDNS\u30ec\u30b3\u30fc\u30c9\u300d\u3067\u3059\u3002DNS\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u95a2\u4fc2\u3092\u8a18\u9332\u3059\u308b\u300cA\u30ec\u30b3\u30fc\u30c9\u300d\u3084\u3001\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3059\u308b\u300cMX\u30ec\u30b3\u30fc\u30c9\u300d\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u3053\u308c\u3089\u306e\u60c5\u5831\u3092\u7ba1\u7406\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u901a\u4fe1\u3092\u5186\u6ed1\u306b\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u3088\u3046\u306bDNS\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u6a4b\u6e21\u3057\u3059\u308b\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3042\u308a\u3001Web\u30b5\u30a4\u30c8\u306e\u904b\u55b6\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u306b\u304a\u3044\u3066\u6b20\u304b\u305b\u306a\u3044\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>\u300cDNS\u300d\u306b\u3088\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u7d10\u4ed8\u3051<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<p class=\"fs-title\">DNS\uff08Domain Name System\uff09\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u95a2\u9023\u4ed8\u3051\u308b\u4ed5\u7d44\u307f\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5186\u6ed1\u306b\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u5b58\u5728\u3067\u3059\u3002\u79c1\u305f\u3061\u304cWeb\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u3001\u300cexample.com\u300d\u306e\u3088\u3046\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3057\u307e\u3059\u304c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u540c\u58eb\u306f\u6570\u5b57\u3067\u69cb\u6210\u3055\u308c\u308bIP\u30a2\u30c9\u30ec\u30b9\u3067\u901a\u4fe1\u3092\u884c\u3046\u305f\u3081\u3001DNS\u304c\u305d\u306e\u5909\u63db\u4f5c\u696d\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u5909\u63db\u30d7\u30ed\u30bb\u30b9\u306f\u300c\u540d\u524d\u89e3\u6c7a\u300d\u3068\u547c\u3070\u308c\u3001DNS\u30b5\u30fc\u30d0\u30fc\u304c\u8907\u6570\u306e\u6bb5\u968e\u3092\u7d4c\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u7d22\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u7aef\u672b\u306b\u901a\u77e5\u3057\u307e\u3059\u3002<strong><mark style=\"background-color:#cf2e2e\" class=\"has-inline-color\">\u3082\u3057\u3082DNS\u304c\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u3001\u79c1\u305f\u3061\u306fWeb\u30b5\u30a4\u30c8\u3054\u3068\u306b\u9577\u3044\u6570\u5b57\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u61b6\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u5229\u4fbf\u6027\u304c\u5927\u304d\u304f\u640d\u306a\u308f\u308c\u3066\u3057\u307e\u3046\u3067\u3057\u3087\u3046\u3002<\/mark><\/strong><\/p>\n\n\n\n<p class=\"fs-title\">DNS\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u76f4\u611f\u7684\u306b\u5206\u304b\u308a\u3084\u3059\u3044\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5229\u7528\u3067\u304d\u308b\u306e\u307f\u306a\u3089\u305a\u3001\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3067\u3082\u3001DNS\u306e\u8a2d\u5b9a\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u3067\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001DNS\u306fWeb\u30b5\u30fc\u30d3\u30b9\u306e\u5b89\u5b9a\u904b\u7528\u3092\u652f\u3048\u308b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>DNS\u30b5\u30fc\u30d0\u30fc\u306e\u5f79\u5272\u3068\u306f\uff1f<\/strong><\/strong><\/h3><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"560\" src=\"https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087538.jpg\" alt=\"\" class=\"wp-image-13244 img-fluid w-100 mb-5\" loading=\"lazy\"\/ loading=\"lazy\" alt=\"DNS\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u8a2d\u5b9a\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01\" srcset=\"https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087538.jpg 1000w, https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087538-300x168.jpg 300w, https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087538-768x430.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"fs-title\">DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u95a2\u4fc2\u3092\u7ba1\u7406\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u901a\u4fe1\u3092\u5186\u6ed1\u306b\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u5927\u304d\u304f\u5206\u3051\u3066\u300c\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u300d\u3068\u300c\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u300d\u306e2\u7a2e\u985e\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u305e\u308c\u3067\u7570\u306a\u308b\u5f79\u5272\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u6b63\u5f0f\u306aIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u3092\u7ba1\u7406\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002\u4f8b\u3048\u3070\u300cexample.com\u300d\u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u6b63\u78ba\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u3001\u307b\u304b\u306eDNS\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u554f\u3044\u5408\u308f\u305b\u306b\u5fdc\u3058\u307e\u3059\u3002\u4e00\u65b9\u3001\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u904e\u53bb\u306b\u554f\u3044\u5408\u308f\u305b\u305fDNS\u60c5\u5831\u3092\u4e00\u6642\u7684\u306b\u4fdd\u5b58\u3057\u3001\u540c\u3058\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u7d20\u65e9\u304f\u5fdc\u7b54\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u4fe1\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u308c\u3089\u306eDNS\u30b5\u30fc\u30d0\u30fc\u304c\u9023\u643a\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5feb\u9069\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5229\u7528\u3067\u304d\u308b\u306e\u3067\u3059\u3002\u6b21\u306b\u3001\u305d\u308c\u305e\u308c\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u8a73\u7d30\u306a\u5f79\u5272\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6a5f\u80fd<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\uff08Authoritative DNS Server\uff09\u306f\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u516c\u5f0f\u306aDNS\u60c5\u5831\u3092\u7ba1\u7406\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u6240\u6709\u8005\u304c\u767b\u9332\u3057\u305f\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3001DNS\u306e\u554f\u3044\u5408\u308f\u305b\u306b\u5bfe\u3057\u3066\u6b63\u78ba\u306a\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3010\u4e3b\u306a\u6a5f\u80fd\u3011<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-2 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30be\u30fc\u30f3\u7ba1\u7406\uff1a\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u3059\u308bDNS\u30ec\u30b3\u30fc\u30c9\uff08A\u30ec\u30b3\u30fc\u30c9\u3001MX\u30ec\u30b3\u30fc\u30c9\u306a\u3069\uff09\u3092\u4fdd\u6301\u30fb\u66f4\u65b0\u3059\u308b\u3002<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u554f\u3044\u5408\u308f\u305b\u5bfe\u5fdc\uff1a\u4ed6\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3084\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3001\u6b63\u5f0f\u306aIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u3092\u8fd4\u3059\u3002<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\uff1aDNSSEC\uff08DNS Security Extensions\uff09\u3092\u6d3b\u7528\u3057\u3001\u6539\u3056\u3093\u9632\u6b62\u3084\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5bfe\u7b56\u3092\u884c\u3046\u3002<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u304c\u306a\u3051\u308c\u3070\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067Web\u30b5\u30a4\u30c8\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u4f4d\u7f6e\u3092\u7279\u5b9a\u3067\u304d\u305a\u3001\u6b63\u5e38\u306a\u901a\u4fe1\u304c\u884c\u3048\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u5404\u30c9\u30e1\u30a4\u30f3\u306b\u306f\u5fc5\u305a\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u5b89\u5b9a\u3057\u305f\u904b\u7528\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u306e\u50cd\u304d<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\uff08Recursive Resolver\uff09\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001DNS\u306e\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3046\u5f79\u5272\u3092\u6301\u3064\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002\u901a\u5e38\u3001ISP\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff09\u3084\u4f01\u696d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u8a2d\u7f6e\u3055\u308c\u3001Web\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u6d3b\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3010\u4e3b\u306a\u6a5f\u80fd\u3011<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-3 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">DNS\u30af\u30a8\u30ea\u306e\u51e6\u7406\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u7aef\u672b\u304b\u3089\u9001\u3089\u308c\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u554f\u3044\u5408\u308f\u305b\u3092\u53d7\u3051\u53d6\u308a\u3001\u9069\u5207\u306aDNS\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3002<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30ad\u30e3\u30c3\u30b7\u30e5\u6a5f\u80fd\uff1a\u904e\u53bb\u306b\u53d6\u5f97\u3057\u305fDNS\u60c5\u5831\u3092\u4e00\u5b9a\u671f\u9593\u4fdd\u5b58\u3057\u3001\u540c\u3058\u554f\u3044\u5408\u308f\u305b\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u8fc5\u901f\u306b\u5fdc\u7b54\u3059\u308b\u3002<\/mark><\/strong><\/li>\n\n\n\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8efd\u6e1b\uff1a\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308bWeb\u30b5\u30a4\u30c8\u306eDNS\u60c5\u5831\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ca0\u8377\u3092\u4f4e\u6e1b\u3057\u3001\u5fdc\u7b54\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u304c\u3042\u308b\u3053\u3068\u3067\u3001\u6bce\u56de\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u53e4\u3044\u5834\u5408\u306b\u306f\u3001\u60c5\u5831\u306e\u66f4\u65b0\u304c\u9045\u308c\u308b\u30ea\u30b9\u30af\u3082\u3042\u308b\u305f\u3081\u3001\u9069\u5207\u306aTTL\uff08Time to Live\uff09\u8a2d\u5b9a\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u3088\u3046\u306b\u3001\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u3068\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u304c\u9023\u643a\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u540d\u524d\u89e3\u6c7a\u304c\u884c\u308f\u308c\u3001\u5feb\u9069\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u304c\u53ef\u80fd\u3068\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>DNS\u306e\u3057\u304f\u307f\u3068\u540d\u524d\u89e3\u6c7a<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<p class=\"fs-title\">DNS\uff08Domain Name System\uff09\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u5bfe\u5fdc\u3055\u305b\u308b\u5f79\u5272\u3092\u6301\u3061\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u901a\u4fe1\u3092\u5186\u6ed1\u306b\u3059\u308b\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002Web\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5143\u306bDNS\u30b5\u30fc\u30d0\u30fc\u304cIP\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u7d22\u3057\u3001\u9069\u5207\u306a\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u300c\u540d\u524d\u89e3\u6c7a\u300d\u3068\u3044\u3044\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u624b\u9806\u3067\u9032\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>1. URL\uff08\u30c9\u30e1\u30a4\u30f3\u540d\uff09\u3092\u5165\u529b<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">Web\u30d6\u30e9\u30a6\u30b6\u306e\u30a2\u30c9\u30ec\u30b9\u30d0\u30fc\u306b\u300chttps:\/\/example.com\u300d\u306e\u3088\u3046\u306aURL\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u307e\u305a\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u3069\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u4eba\u9593\u306b\u3068\u3063\u3066\u899a\u3048\u3084\u3059\u3044\u5f62\u5f0f\u3067\u3059\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u901a\u4fe1\u306fIP\u30a2\u30c9\u30ec\u30b9\u3067\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u60c5\u5831\u3092\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>2. DNS\u30b5\u30fc\u30d0\u30fc\u3078IP\u30a2\u30c9\u30ec\u30b9\u3092\u30ea\u30af\u30a8\u30b9\u30c8<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u30d6\u30e9\u30a6\u30b6\u306f\u307e\u305a\u3001\u30ed\u30fc\u30ab\u30eb\u30ad\u30e3\u30c3\u30b7\u30e5\uff08PC\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u5185\u306e\u4e00\u6642\u30c7\u30fc\u30bf\uff09\u306bIP\u30a2\u30c9\u30ec\u30b9\u306e\u8a18\u9332\u304c\u6b8b\u3063\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3082\u3057\u60c5\u5831\u304c\u306a\u3051\u308c\u3070\u3001\u6307\u5b9a\u3055\u308c\u305fDNS\u30b5\u30fc\u30d0\u30fc\uff08\u901a\u5e38\u306fISP\u3084\u4f01\u696d\u306eDNS\u30b5\u30fc\u30d0\u30fc\uff09\u3078IP\u30a2\u30c9\u30ec\u30b9\u3092\u554f\u3044\u5408\u308f\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u969b\u3001\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u304c\u904e\u53bb\u306e\u554f\u3044\u5408\u308f\u305b\u7d50\u679c\u3092\u4fdd\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3092\u5229\u7528\u3057\u3066\u8fc5\u901f\u306b\u5fdc\u7b54\u3092\u8fd4\u3059\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>3. DNS\u30b5\u30fc\u30d0\u30fc\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\uff08\u540d\u524d\u89e3\u6c7a\uff09<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u5165\u529b\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u7d22\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u60c5\u5831\u306f\u3001\u307e\u305a\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u3067\u78ba\u8a8d\u3055\u308c\u3001\u3082\u3057\u3082\u8a72\u5f53\u60c5\u5831\u304c\u306a\u3051\u308c\u3070\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u3078\u554f\u3044\u5408\u308f\u305b\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u304cIP\u30a2\u30c9\u30ec\u30b9\u3092\u7279\u5b9a\u3057\u3001DNS\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u3057\u3066\u8fd4\u7b54\u3059\u308b\u3053\u3068\u3067\u3001\u540d\u524d\u89e3\u6c7a\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>4. Web\u30b5\u30fc\u30d0\u30fc\u3078\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u3092\u30ea\u30af\u30a8\u30b9\u30c8<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">DNS\u306e\u540d\u524d\u89e3\u6c7a\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u53d6\u5f97\u3057\u305fIP\u30a2\u30c9\u30ec\u30b9\u3092\u3082\u3068\u306b\u3001Web\u30b5\u30fc\u30d0\u30fc\u3078\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u300cHTTP\u300d\u307e\u305f\u306f\u300cHTTPS\u300d\u3092\u5229\u7528\u3057\u3001Web\u30da\u30fc\u30b8\u306e\u30c7\u30fc\u30bf\u53d6\u5f97\u3092\u8981\u6c42\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u300chttps:\/\/example.com\u300d\u3092\u958b\u304f\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u306fWeb\u30b5\u30fc\u30d0\u30fc\u306b\u300cGET \/\u300d\u3068\u3044\u3046\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">HTTPS\u306e\u5834\u5408\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u524d\u306bSSL\/TLS\u3092\u7528\u3044\u305f\u6697\u53f7\u5316\u901a\u4fe1\u304c\u78ba\u7acb\u3055\u308c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3059\u3002Web\u30b5\u30fc\u30d0\u30fc\u306f\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001\u9069\u5207\u306a\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u6e96\u5099\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>5. Web\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u9001\u4fe1<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">Web\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u53d7\u3051\u53d6\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3001HTML\u3001CSS\u3001\u753b\u50cf\u3001JavaScript\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080Web\u30da\u30fc\u30b8\u306e\u30c7\u30fc\u30bf\u3092\u30d6\u30e9\u30a6\u30b6\u3078\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u969b\u3001Web\u30b5\u30fc\u30d0\u30fc\u306f\u9759\u7684\u306a\u30c7\u30fc\u30bf\uff08HTML\u30d5\u30a1\u30a4\u30eb\u306a\u3069\uff09\u3092\u76f4\u63a5\u8fd4\u3059\u5834\u5408\u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u9023\u643a\u3057\u3066\u52d5\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u3001EC\u30b5\u30a4\u30c8\u3084SNS\u306e\u3088\u3046\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3054\u3068\u306b\u7570\u306a\u308b\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u9023\u643a\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>6. \u753b\u9762\u306bWeb\u30b5\u30a4\u30c8\u8868\u793a<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u30d6\u30e9\u30a6\u30b6\u306f\u53d7\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u3092\u89e3\u6790\u3057\u3001Web\u30da\u30fc\u30b8\u3068\u3057\u3066\u753b\u9762\u306b\u8868\u793a\u3057\u307e\u3059\u3002\u307e\u305aHTML\u3092\u8aad\u307f\u8fbc\u307f\u3001\u6b21\u306bCSS\u3067\u30c7\u30b6\u30a4\u30f3\u3092\u9069\u7528\u3057\u3001JavaScript\u304c\u52d5\u7684\u306a\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u904e\u7a0b\u3092\u7d4c\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u76ee\u7684\u306eWeb\u30b5\u30a4\u30c8\u3092\u8996\u899a\u7684\u306b\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002Web\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u9069\u5207\u306a\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>DNS\u30b5\u30fc\u30d0\u30fc\uff08\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\uff09\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"560\" src=\"https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087534.jpg\" alt=\"\" class=\"wp-image-13245 img-fluid w-100 mb-5\" loading=\"lazy\"\/ loading=\"lazy\" alt=\"DNS\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u8a2d\u5b9a\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01\" srcset=\"https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087534.jpg 1000w, https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087534-300x168.jpg 300w, https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_914087534-768x430.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"fs-title\">DNS\u30b5\u30fc\u30d0\u30fc\uff08\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\uff09\u306e\u8a2d\u5b9a\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u30b5\u30fc\u30d0\u30fc\u3092\u6b63\u3057\u304f\u95a2\u9023\u4ed8\u3051\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u4f5c\u696d\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u3092\u53d6\u5f97\u3057\u305f\u3060\u3051\u3067\u306fWeb\u30b5\u30a4\u30c8\u3084\u30e1\u30fc\u30eb\u304c\u5229\u7528\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001DNS\u306e\u8a2d\u5b9a\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u3067\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u6307\u5b9a\u3057\u305f\u969b\u306b\u6b63\u3057\u3044\u30b5\u30fc\u30d0\u30fc\u3078\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">DNS\u306e\u8a2d\u5b9a\u306f\u4e3b\u306b\u300c\u30c9\u30e1\u30a4\u30f3\u30b5\u30fc\u30d3\u30b9\u3067\u306e\u8a2d\u5b9a\u300d\u3068\u300c\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\u3067\u306e\u8a2d\u5b9a\u300d\u306e2\u3064\u306e\u65b9\u6cd5\u306b\u5206\u304b\u308c\u307e\u3059\u3002\u6b21\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u624b\u9806\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>\u30c9\u30e1\u30a4\u30f3\u30b5\u30fc\u30d3\u30b9\u3067\u306e\u8a2d\u5b9a\u624b\u9806<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u30b5\u30fc\u30d3\u30b9\uff08\u30ec\u30b8\u30b9\u30c8\u30e9\uff09\u3067\u306eDNS\u8a2d\u5b9a\u306f\u3001\u53d6\u5f97\u3057\u305f\u30c9\u30e1\u30a4\u30f3\u3092Web\u30b5\u30fc\u30d0\u30fc\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3068\u7d10\u4ed8\u3051\u308b\u305f\u3081\u306b\u884c\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-4 wp-block-group-is-layout-flex\">\n<ol>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u753b\u9762\u3078\u30ed\u30b0\u30a4\u30f3<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u3092\u53d6\u5f97\u3057\u305f\u30b5\u30fc\u30d3\u30b9\uff08\u4f8b\uff1a\u304a\u540d\u524d.com\u3001\u30e0\u30fc\u30e0\u30fc\u30c9\u30e1\u30a4\u30f3\uff09\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-5 wp-block-group-is-layout-flex\">\n<ol start=\"2\">\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\uff08DNS\u30b5\u30fc\u30d0\u30fc\uff09\u306e\u8a2d\u5b9a<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u306e\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u6307\u5b9a\u3055\u308c\u305f\u3082\u306e\u306b\u5909\u66f4\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001Web\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u63d0\u4f9b\u5143\u306e\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-6 wp-block-group-is-layout-flex\">\n<ol start=\"3\">\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">DNS\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">A\u30ec\u30b3\u30fc\u30c9\uff08Web\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\uff09\u3001MX\u30ec\u30b3\u30fc\u30c9\uff08\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\uff09\u3001CNAME\uff08\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u3078\u8ee2\u9001\uff09\u306a\u3069\u3001\u7528\u9014\u306b\u5fdc\u3058\u305fDNS\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-7 wp-block-group-is-layout-flex\">\n<ol start=\"4\">\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u8a2d\u5b9a\u306e\u4fdd\u5b58\u3068\u53cd\u6620\u5f85\u3061<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u3001DNS\u60c5\u5831\u306e\u53cd\u6620\u3092\u5f85\u3061\u307e\u3059\u3002\u901a\u5e38\u3001\u53cd\u6620\u306b\u306f\u6570\u6642\u9593\u304b\u3089\u6700\u592772\u6642\u9593\u7a0b\u5ea6\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\u3067\u306e\u8a2d\u5b9a\u624b\u9806<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u306e\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u3082\u3001DNS\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8 wp-block-group-is-layout-flex\">\n<ol>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30b5\u30fc\u30d0\u30fc\u306e\u7ba1\u7406\u753b\u9762\u3078\u30ed\u30b0\u30a4\u30f3<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u5951\u7d04\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\uff08\u4f8b\uff1aXserver\u3001AWS\u3001ConoHa\uff09\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001DNS\u8a2d\u5b9a\u753b\u9762\u3078\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-9 wp-block-group-is-layout-flex\">\n<ol start=\"2\">\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30c9\u30e1\u30a4\u30f3\u306e\u8ffd\u52a0\u8a2d\u5b9a<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u4f7f\u7528\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u767b\u9332\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u305d\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u6307\u5b9a\u30c9\u30e1\u30a4\u30f3\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-10 wp-block-group-is-layout-flex\">\n<ol start=\"3\">\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">DNS\u30ec\u30b3\u30fc\u30c9\u306e\u7de8\u96c6<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">A\u30ec\u30b3\u30fc\u30c9\uff08IP\u30a2\u30c9\u30ec\u30b9\u306e\u6307\u5b9a\uff09\u3001CNAME\uff08\u5225\u306e\u30db\u30b9\u30c8\u3078\u306e\u8ee2\u9001\uff09\u3001TXT\u30ec\u30b3\u30fc\u30c9\uff08\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u7528\uff09\u306a\u3069\u3001\u5fc5\u8981\u306a\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-11 wp-block-group-is-layout-flex\">\n<ol start=\"4\">\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u8a2d\u5b9a\u306e\u9069\u7528\u3068\u78ba\u8a8d<\/mark><\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u3001DNS\u306e\u53cd\u6620\u3092\u5f85\u3061\u307e\u3059\u3002\u5909\u66f4\u304c\u9069\u7528\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u306f\u300cnslookup\u300d\u30b3\u30de\u30f3\u30c9\u3084\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u306eDNS\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u78ba\u8a8d\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>DNS\u3068\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<p class=\"fs-title\">DNS\uff08Domain Name System\uff09\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u95a2\u4fc2\u3092\u7ba1\u7406\u3059\u308b\u306e\u307f\u306a\u3089\u305a\u3001\u3055\u307e\u3056\u307e\u306a\u60c5\u5831\u3092\u300c\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\uff08Resource Record\uff09\u300d\u3068\u3057\u3066\u8a18\u9332\u30fb\u63d0\u4f9b\u3059\u308b\u4ed5\u7d44\u307f\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306f\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306b\u683c\u7d0d\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u5358\u4f4d\u3067\u3042\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u904b\u7528\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4ee3\u8868\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e\u3068\u3001\u8a18\u8ff0\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u5f79\u5272\u3092\u6301\u3061\u307e\u3059\u3002\u4e3b\u306a\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-12 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">A\u30ec\u30b3\u30fc\u30c9\uff08Address Record\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5bfe\u5fdc\u3059\u308bIPv4\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3002<br>\u4f8b: example.com \u2192 192.168.1.1<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-13 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">AAAA\u30ec\u30b3\u30fc\u30c9\uff08IPv6 Address Record\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">IPv6\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3002<br>\u4f8b: example.com \u2192 2001:db8::ff00:42:8329<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-14 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">CNAME\u30ec\u30b3\u30fc\u30c9\uff08Canonical Name Record\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30a8\u30a4\u30ea\u30a2\u30b9\uff08\u5225\u540d\uff09\u3092\u8a2d\u5b9a\u3059\u308b\u3002<br>\u4f8b: www.example.com \u2192 example.com<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-15 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">MX\u30ec\u30b3\u30fc\u30c9\uff08Mail Exchanger Record\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3002<br>\u4f8b: example.com \u2192 mail.example.com\uff08\u512a\u5148\u5ea6 10\uff09<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-16 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">TXT\u30ec\u30b3\u30fc\u30c9\uff08Text Record\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u4efb\u610f\u306e\u30c6\u30ad\u30b9\u30c8\u60c5\u5831\u3092\u683c\u7d0d\u3059\u308b\uff08SPF\u3084DKIM\u306a\u3069\u306e\u8a8d\u8a3c\u60c5\u5831\u306b\u3082\u5229\u7528\uff09\u3002<br>\u4f8b: v=spf1 include:_spf.example.com ~all<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-17 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">NS\u30ec\u30b3\u30fc\u30c9\uff08Name Server Record\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3002<br>\u4f8b: example.com \u2192 ns1.example.net, ns2.example.net<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-18 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">PTR\u30ec\u30b3\u30fc\u30c9\uff08Pointer Record\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u9006\u5f15\u304d\u3059\u308b\u3002<br>\u4f8b: 192.168.1.1 \u2192 example.com<\/p>\n\n\n\n<div class='d-flex gap-2 mb-25 align-items-center f-sub'><div class='triangle'><\/div><h3 class='fs-25 ff-gothic fs-mb-18 fw-bold'><strong><strong>\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u65b9\u5f0f\uff08\u4e00\u4f8b\uff09<\/strong><\/strong><\/h3><\/div>\n\n\n\n<p class=\"fs-title\">\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u30be\u30fc\u30f3\u30d5\u30a1\u30a4\u30eb\u3068\u547c\u3070\u308c\u308bDNS\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8ff0\u3055\u308c\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u8a18\u8ff0\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u30db\u30b9\u30c8\u540d TTL \u30af\u30e9\u30b9 \u30ec\u30b3\u30fc\u30c9\u30bf\u30a4\u30d7 \u5024<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-19 wp-block-group-is-layout-flex\">\n<ul>\n<li>\u30db\u30b9\u30c8\u540d\uff1a\u8a2d\u5b9a\u5bfe\u8c61\u306e\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u7701\u7565\u6642\u306f\u30eb\u30fc\u30c8\u30c9\u30e1\u30a4\u30f3\uff09<\/li>\n\n\n\n<li>TTL\uff08Time To Live\uff09\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6709\u52b9\u671f\u9650\uff08\u79d2\u5358\u4f4d\uff09<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\uff1a\u901a\u5e38 IN\uff08Internet\uff09\u3092\u6307\u5b9a<\/li>\n\n\n\n<li>\u30ec\u30b3\u30fc\u30c9\u30bf\u30a4\u30d7\uff1aA\u3001CNAME\u3001MX\u306a\u3069<\/li>\n\n\n\n<li>\u5024\uff1a\u30ec\u30b3\u30fc\u30c9\u3054\u3068\u306e\u8a2d\u5b9a\u5185\u5bb9<\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\"><strong>\u3010\u8a18\u8ff0\u4f8b\u3011<\/strong><\/p>\n\n\n\n<p class=\"fs-title\">example.com.\u00a0 3600\u00a0 IN\u00a0 A\u00a0 \u00a0 \u00a0 192.168.1.1<br>www \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u3000\u30003600\u00a0 IN\u00a0 CNAME\u00a0 example.com.<br>example.com.\u00a0 3600\u00a0 IN\u00a0 MX \u00a0 \u00a0 10 mail.example.com.<br>example.com.\u00a0 3600\u00a0 IN\u00a0 TXT\u00a0 \u00a0 &#8220;v=spf1 include:_spf.example.com ~all&#8221;<\/p>\n\n\n\n<p class=\"fs-title\">\u3053\u306e\u3088\u3046\u306b\u3001\u30ea\u30bd\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306fDNS\u306e\u52d5\u4f5c\u3092\u5236\u5fa1\u3059\u308b\u91cd\u8981\u306a\u60c5\u5831\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001Web\u30b5\u30a4\u30c8\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u6b63\u3057\u304f\u904b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>DNS\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u30b5\u30fc\u30d0\u30fc\u3092\u7d50\u3073\u3064\u3051\u308b\u4ed5\u7d44\u307f<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<p class=\"fs-title\">DNS\u3068\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068\u30b5\u30fc\u30d0\u30fc\u3092\u7d50\u3073\u3064\u3051\u308b\u5f79\u5272\u3092\u62c5\u3046\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u901a\u4fe1\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u7528\u3044\u3066\u884c\u308f\u308c\u307e\u3059\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u304cWeb\u30b5\u30a4\u30c8\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u300cexample.com\u300d\u306e\u3088\u3046\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4f7f\u7528\u3067\u304d\u308b\u306e\u306f\u3001DNS\u304c\u9069\u5207\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">DNS\u306e\u4ed5\u7d44\u307f\u306b\u3088\u3063\u3066\u30c9\u30e1\u30a4\u30f3\u540d\u304c\u5165\u529b\u3055\u308c\u308b\u3068\u3001\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u304c\u691c\u7d22\u3055\u308c\u3001Web\u30b5\u30fc\u30d0\u30fc\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u9069\u5207\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u9001\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u304a\u304b\u3052\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u899a\u3048\u3084\u3059\u3044\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u4f7f\u3063\u3066Web\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3057\u3001\u30e1\u30fc\u30eb\u3092\u9001\u53d7\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u307e\u305f\u3001DNS\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u79fb\u8ee2\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u5909\u66f4\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3046\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001Web\u30b5\u30a4\u30c8\u904b\u55b6\u8005\u3084\u4f01\u696d\u306b\u3068\u3063\u3066DNS\u306e\u7ba1\u7406\u306f\u3001\u975e\u5e38\u306b\u91cd\u8981\u306a\u696d\u52d9\u306e\u4e00\u3064\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>\u30c9\u30e1\u30a4\u30f3\u306e\u57fa\u672c\u6982\u5ff5<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_792403326.jpg\" alt=\"\" class=\"wp-image-13246 img-fluid w-100 mb-5\" loading=\"lazy\"\/ loading=\"lazy\" alt=\"DNS\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u8a2d\u5b9a\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\uff01\" srcset=\"https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_792403326.jpg 1000w, https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_792403326-300x200.jpg 300w, https:\/\/dym.asia\/media\/wp-content\/uploads\/2025\/04\/AdobeStock_792403326-768x512.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u3068\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067Web\u30b5\u30a4\u30c8\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u8b58\u5225\u540d\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306fIP\u30a2\u30c9\u30ec\u30b9\u3068\u7d10\u3065\u3044\u3066\u304a\u308a\u3001Web\u30b5\u30a4\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\uff08URL\uff09\u3084\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u4e00\u90e8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u3010\u30c9\u30e1\u30a4\u30f3\u306e\u69cb\u9020\u3011<\/p>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u540d\u306f\u300cexample.com\u300d\u306e\u3088\u3046\u306b\u8907\u6570\u306e\u90e8\u5206\u306b\u5206\u304b\u308c\u3066\u304a\u308a\u3001\u968e\u5c64\u69cb\u9020\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-20 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u30c9\u30e1\u30a4\u30f3\uff08TLD\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u300c.com\u300d\u300c.net\u300d\u300c.org\u300d\u300c.jp\u300d\u306a\u3069\u3001\u3082\u3063\u3068\u3082\u4e0a\u4f4d\u306b\u4f4d\u7f6e\u3059\u308b\u90e8\u5206\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-21 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30bb\u30ab\u30f3\u30c9\u30ec\u30d9\u30eb\u30c9\u30e1\u30a4\u30f3\uff08SLD\uff09<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u300cexample.com\u300d\u306e\u300cexample\u300d\u306b\u3042\u305f\u308b\u90e8\u5206\u3002\u4f01\u696d\u3084\u500b\u4eba\u304c\u81ea\u7531\u306b\u767b\u9332\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-22 wp-block-group-is-layout-flex\">\n<ul>\n<li><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3<\/mark><\/strong><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u300cwww.example.com\u300d\u306e\u300cwww\u300d\u306a\u3069\u3001\u4efb\u610f\u3067\u8a2d\u5b9a\u3067\u304d\u308b\u8ffd\u52a0\u306e\u30c9\u30e1\u30a4\u30f3\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u4f01\u696d\u3084\u500b\u4eba\u304c\u72ec\u81ea\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u78ba\u7acb\u3084\u4fe1\u983c\u6027\u306e\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>\u30c9\u30e1\u30a4\u30f3\u306e\u53d6\u5f97\u624b\u9806<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u306e\u53d6\u5f97\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u767b\u9332\u30b5\u30fc\u30d3\u30b9\uff08\u30ec\u30b8\u30b9\u30c8\u30e9\uff09\u3092\u901a\u3058\u3066\u884c\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-23 wp-block-group-is-layout-flex\">\n<ol>\n<li><strong>\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u9078\u5b9a<\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u5e0c\u671b\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u6c7a\u5b9a\u3057\u3001\u7a7a\u304d\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u3002<br>\u65e2\u306b\u307b\u304b\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u53d6\u5f97\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5225\u306e\u540d\u524d\u3092\u8003\u3048\u308b\u304b\u3001\u7570\u306a\u308bTLD\uff08\u4f8b\uff1a\u300c.net\u300d\u3084\u300c.jp\u300d\uff09\u3092\u691c\u8a0e\u3059\u308b\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-24 wp-block-group-is-layout-flex\">\n<ol start=\"2\">\n<li><strong>\u30c9\u30e1\u30a4\u30f3\u767b\u9332\u30b5\u30fc\u30d3\u30b9\u3067\u306e\u7533\u3057\u8fbc\u307f<\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u304a\u540d\u524d.com\u3001\u30e0\u30fc\u30e0\u30fc\u30c9\u30e1\u30a4\u30f3\u3001Google Domains\u306a\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u767b\u9332\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u3092\u8cfc\u5165\u3059\u308b\u3002<br>\u6599\u91d1\u306f\u30c9\u30e1\u30a4\u30f3\u306e\u7a2e\u985e\u3084TLD\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-25 wp-block-group-is-layout-flex\">\n<ol start=\"3\">\n<li><strong>\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a<\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u3092\u9069\u5207\u306aDNS\u30b5\u30fc\u30d0\u30fc\u306b\u7d10\u3065\u3051\u308b\u3002<br>Web\u30b5\u30a4\u30c8\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001A\u30ec\u30b3\u30fc\u30c9\u3084MX\u30ec\u30b3\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-26 wp-block-group-is-layout-flex\">\n<ol start=\"4\">\n<li><strong>\u6240\u6709\u6a29\u306e\u78ba\u8a8d\u3068\u66f4\u65b0<\/strong><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p class=\"fs-title\">\u30c9\u30e1\u30a4\u30f3\u306e\u767b\u9332\u5f8c\u3001WHOIS\u60c5\u5831\u306e\u78ba\u8a8d\u3084\u767b\u9332\u60c5\u5831\u306e\u7ba1\u7406\u3092\u884c\u3046\u3002<br>\u901a\u5e38\u3001\u30c9\u30e1\u30a4\u30f3\u306f1\u5e74\u5358\u4f4d\u3067\u5951\u7d04\u3055\u308c\u308b\u305f\u3081\u3001\u5b9a\u671f\u7684\u306b\u66f4\u65b0\u624b\u7d9a\u304d\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p class=\"fs-title\">\u72ec\u81ea\u30c9\u30e1\u30a4\u30f3\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u4f01\u696d\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u3084SEO\u5bfe\u7b56\u306b\u3082\u6709\u5229\u3068\u306a\u308b\u305f\u3081\u3001\u9069\u5207\u306a\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class='fs-30 fs-mb-20 ff-gothic color-blue mb-30 fw-bold relative'><strong>\u307e\u3068\u3081<\/strong><\/h2><div class='w-100 border mb-30'><\/div>\n\n\n\n<p class=\"fs-title\">DNS\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u57fa\u76e4\u3092\u652f\u3048\u308b\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u3092\u7d10\u3065\u3051\u308b\u3053\u3068\u3067\u3001\u79c1\u305f\u3061\u306f\u899a\u3048\u306b\u304f\u3044\u6570\u5b57\u306e\u7f85\u5217\u3067\u306f\u306a\u304f\u3001\u610f\u5473\u306e\u3042\u308b\u6587\u5b57\u5217\u3067Web\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p 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