{"id":11278,"date":"2023-05-10T08:39:35","date_gmt":"2023-05-09T23:39:35","guid":{"rendered":"https:\/\/extan.jp\/?p=11278"},"modified":"2023-05-10T11:39:51","modified_gmt":"2023-05-10T02:39:51","slug":"%e3%81%8a%e3%81%99%e3%81%99%e3%82%81%e3%81%ae%e3%83%91%e3%83%96%e3%83%aa%e3%83%83%e3%82%afdns%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e7%b4%b9%e4%bb%8b%ef%bc%81dns%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc","status":"publish","type":"post","link":"https:\/\/extan.jp\/?p=11278","title":{"rendered":"\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\uff01DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e\u3082\u307e\u3068\u3081\uff01"},"content":{"rendered":"<p>\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3092\u77e5\u308a\u305f\u3044\u3068\u304d\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u3051\u3069\u3001\u305d\u3093\u306a\u4e2d\u3067\u60a9\u3080\u3053\u3068\u306f\u3001<\/p>\n<div class=\"kininarukoto1\">\u30fb\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u304c\u306a\u306b\u304b\u308f\u304b\u3089\u306a\u3044<br \/>\n\u30fb\u305d\u3082\u305d\u3082DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e\u304c\u308f\u304b\u3089\u306a\u3044<\/div>\n<p>\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>\u4eca\u56de\u306f\u305d\u3093\u306a\u304a\u60a9\u307f\u3092\u89e3\u6c7a\u3059\u308b<\/p>\n<div class=\"rdinfo\">\u30fbDNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e<br \/>\n\u30fb\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc<\/div>\n<p>\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3059\uff01<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u3082\u304f\u3058<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/extan.jp\/?p=11278\/#DNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AE%E6%A6%82%E8%A6%81%E3%82%84%E7%A8%AE%E9%A1%9E\" >DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/extan.jp\/?p=11278\/#DNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%A3%E3%81%A6%E3%81%AA%E3%81%AB%EF%BC%9F\" >DNS\u30b5\u30fc\u30d0\u30fc\u3063\u3066\u306a\u306b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/extan.jp\/?p=11278\/#%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%A8%E3%81%AF\" >\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3068\u306f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/extan.jp\/?p=11278\/#DNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AE%E7%A8%AE%E9%A1%9E%E3%81%AF%E3%81%AA%E3%81%AB%EF%BC%9F\" >DNS\u30b5\u30fc\u30d0\u30fc\u306e\u7a2e\u985e\u306f\u306a\u306b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/extan.jp\/?p=11278\/#%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AF%E3%81%A9%E3%81%AE%E7%A8%AE%E9%A1%9E%EF%BC%9F\" >\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3069\u306e\u7a2e\u985e\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/extan.jp\/?p=11278\/#%E3%81%8A%E3%81%99%E3%81%99%E3%82%81%E3%81%AE%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AF%E3%81%AA%E3%81%AB%EF%BC%9F\" >\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u306a\u306b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/extan.jp\/?p=11278\/#Google_Public_DNS\" >Google Public DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/extan.jp\/?p=11278\/#Cloudflare_DNS\" >Cloudflare DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/extan.jp\/?p=11278\/#OpenDNS\" >OpenDNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/extan.jp\/?p=11278\/#Quad9\" >Quad9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/extan.jp\/?p=11278\/#%E3%82%B2%E3%83%BC%E3%83%A0%E3%81%AB%E6%9C%80%E9%81%A9%E3%81%AA%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AF%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%81%AF%E3%81%A9%E3%82%8C%EF%BC%9F\" >\u30b2\u30fc\u30e0\u306b\u6700\u9069\u306a\u30d1\u30d6\u30ea\u30c3\u30af\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u306f\u3069\u308c\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/extan.jp\/?p=11278\/#Google_Public_DNS-2\" >Google Public DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/extan.jp\/?p=11278\/#Cloudflare_DNS-2\" >Cloudflare DNS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/extan.jp\/?p=11278\/#OpenDNS-2\" >OpenDNS<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/extan.jp\/?p=11278\/#%E3%81%95%E3%81%84%E3%81%94%E3%81%AB\" >\u3055\u3044\u3054\u306b<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"DNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AE%E6%A6%82%E8%A6%81%E3%82%84%E7%A8%AE%E9%A1%9E\"><\/span>DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"DNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%A3%E3%81%A6%E3%81%AA%E3%81%AB%EF%BC%9F\"><\/span>DNS\u30b5\u30fc\u30d0\u30fc\u3063\u3066\u306a\u306b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u3092\u7ba1\u7406\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>DNS\u3068\u306f\u3001Domain Name System\uff08\u30c9\u30e1\u30a4\u30f3\u540d\u30b7\u30b9\u30c6\u30e0\uff09\u306e\u7565\u79f0\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u5229\u7528\u3055\u308c\u308b\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u4f8b\uff1aextan.com\uff09\u3092IP\u30a2\u30c9\u30ec\u30b9\uff08\u4f8b\uff1a192.0.2.1\uff09\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\n<p>DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u60c5\u5831\uff08DNS\u30ec\u30b3\u30fc\u30c9\uff09\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306a\u3069\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u81ea\u5206\u306e\u7aef\u672b\u306f\u307e\u305aDNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3092\u884c\u3044\u3001\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u53d6\u5f97\u3057\u305fIP\u30a2\u30c9\u30ec\u30b9\u3092\u5229\u7528\u3057\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306a\u3069\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<p><!--\u5439\u304d\u51fa\u3057\u306f\u3058\u307e\u308a--><\/p>\n<div class=\"balloon5\">\n<div class=\"faceicon\">\n<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/11\/taka_kao.gif\" alt=\"\u30bf\u30ab\u30d2\u30ed\" width=\"110\" height=\"110\" \/>\n<div class=\"faceiconfont\">\u30bf\u30ab\u30d2\u30ed<\/div>\n<\/div>\n<div class=\"chatting\">\n<div class=\"says\">\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u6570\u5b57\u3060\u3051\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u4eba\u9593\u306b\u3068\u3063\u3066\u899a\u3048\u3065\u3089\u3044\u3067\u3059\u306d\u3002<br \/>\n\u305d\u306e\u6570\u5b57\u306b\u540d\u524d\uff08\u30c9\u30e1\u30a4\u30f3\u540d\uff09\u3092\u3064\u3051\u3066\u3042\u3052\u3066\u3001\u305d\u308c\u3092\u7d10\u3065\u3051\u308b\u5834\u6240\u304cDNS\u30b5\u30fc\u30d0\u30fc\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p><!--\u5439\u304d\u51fa\u3057\u7d42\u308f\u308a--><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%A8%E3%81%AF\"><\/span>\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u3001\u4e00\u822c\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u5229\u7528\u3067\u304d\u308bDNS\u30b5\u30fc\u30d0\u30fc\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u4e3b\u306bDNS\u30b5\u30fc\u30d0\u3068\u3044\u3046\u3068\u3001ISP\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff09\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u901f\u5ea6\u306e\u5411\u4e0a\u306a\u3069\u306e\u76ee\u7684\u3067\u3001\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u901a\u5e38\u3001\u7121\u6599\u3067\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee3\u8868\u7684\u306a\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u3001Google Public DNS\u3001Cloudflare DNS\u3001OpenDNS\u3001Quad9\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a<\/h4>\n<p>\u4e00\u90e8\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u8a50\u6b3a\u30b5\u30a4\u30c8\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u30b5\u30a4\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u901f\u5ea6\u306e\u5411\u4e0a<\/h4>\n<p>ISP\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3088\u308a\u3082\u9ad8\u901f\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u691c\u95b2\u56de\u907f<\/h4>\n<p>\u4e00\u90e8\u306e\u5730\u57df\u3067\u306f\u3001\u653f\u5e9c\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u56de\u907f\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AE%E7%A8%AE%E9%A1%9E%E3%81%AF%E3%81%AA%E3%81%AB%EF%BC%9F\"><\/span>DNS\u30b5\u30fc\u30d0\u30fc\u306e\u7a2e\u985e\u306f\u306a\u306b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u69d8\u3005\u306a\u5834\u6240\u3067\u904b\u7528\u3055\u308c\u3001DNS\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u69cb\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306eDNS\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u4e0d\u53ef\u6b20\u306a\u3082\u306e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eee\u306b\u3069\u308c\u304b\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306b\u969c\u5bb3\u306a\u3069\u306e\u5f71\u97ff\u304c\u3042\u308c\u3070\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30a2\u30af\u30bb\u30b9\u901f\u5ea6\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u6b63\u78ba\u6027\u304c\u5927\u304d\u304f\u5f71\u97ff\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc<\/h4>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001DNS\u30af\u30a8\u30ea\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u305f\u3081\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002<br \/>\n\u4e00\u5ea6\u554f\u3044\u5408\u308f\u305b\u305fDNS\u30ec\u30b3\u30fc\u30c9\u3092\u4fdd\u5b58\u3057\u3001\u6b21\u56de\u540c\u3058\u554f\u3044\u5408\u308f\u305b\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u306f\u3001\u4fdd\u5b58\u3055\u308c\u305f\u7d50\u679c\u3092\u8fd4\u3059\u3053\u3068\u3067\u3001DNS\u30af\u30a8\u30ea\u306e\u51e6\u7406\u901f\u5ea6\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/p>\n<h4>\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc<\/h4>\n<p>\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002<br \/>\nDNS\u30af\u30a8\u30ea\u306b\u5bfe\u3057\u3066\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u95a2\u3059\u308b\u6b63\u78ba\u306a\u60c5\u5831\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<h4>\u9006\u5f15\u304dDNS\u30b5\u30fc\u30d0\u30fc<\/h4>\n<p>\u9006\u5f15\u304dDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092DNS\u540d\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002<br \/>\n\u9006\u5f15\u304dDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001DNS\u9006\u5f15\u304d\uff08Reverse DNS\uff09\u3068\u3057\u3066\u3082\u77e5\u3089\u308c\u3066\u304a\u308a\u3001\u4e00\u822c\u7684\u306b\u306f\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u8a8d\u8a3c\u3084\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306a\u3069\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h4>\u30ea\u30be\u30eb\u30d0DNS\u30b5\u30fc\u30d0\u30fc<\/h4>\n<p>\u30ea\u30be\u30eb\u30d0DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089DNS\u30af\u30a8\u30ea\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u30af\u30a8\u30ea\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u3084\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u307e\u3059\u3002<br \/>\n\u30ea\u30be\u30eb\u30d0DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001ISP\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u3001\u4e00\u822c\u7684\u306aDNS\u30b5\u30fc\u30d0\u30fc\u306e\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<h4>\u30d5\u30a9\u30ef\u30fc\u30c0DNS\u30b5\u30fc\u30d0\u30fc<\/h4>\n<p>\u30d5\u30a9\u30ef\u30fc\u30c0DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001DNS\u30af\u30a8\u30ea\u3092\u7279\u5b9a\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3059\u308b\u305f\u3081\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002<br \/>\n\u30d5\u30a9\u30ef\u30fc\u30c0DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30ea\u30be\u30eb\u30d0DNS\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30af\u30a8\u30ea\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3092ISP\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3084\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30a8\u30ea\u306e\u51e6\u7406\u901f\u5ea6\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AF%E3%81%A9%E3%81%AE%E7%A8%AE%E9%A1%9E%EF%BC%9F\"><\/span>\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3069\u306e\u7a2e\u985e\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u4e00\u822c\u7684\u306b\u306f\u30ea\u30be\u30eb\u30d0DNS\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306eDNS\u30af\u30a8\u30ea\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u30af\u30a8\u30ea\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u3084\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u3001\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3092\u63d0\u4f9b\u3059\u308b\u4f01\u696d\u3084\u7d44\u7e54\u306b\u3088\u3063\u3066\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5DNS\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u3082\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3084\u30d5\u30a9\u30ef\u30fc\u30c0DNS\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u306e\u5f79\u5272\u3082\u679c\u305f\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><!--\u5439\u304d\u51fa\u3057\u306f\u3058\u307e\u308a--><\/p>\n<div class=\"balloon5\">\n<div class=\"faceicon\">\n<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/11\/taka_kao.gif\" alt=\"\u30bf\u30ab\u30d2\u30ed\" width=\"110\" height=\"110\" \/>\n<div class=\"faceiconfont\">\u30bf\u30ab\u30d2\u30ed<\/div>\n<\/div>\n<div class=\"chatting\">\n<div class=\"says\">DNS\u30b5\u30fc\u30d0\u30fc\u3068\u3044\u3063\u3066\u3082\u3044\u308d\u3044\u308d\u306a\u5f79\u5272\u304c\u3042\u308a\u3001\u7d44\u307f\u5408\u308f\u305b\u3084\u7528\u9014\u306b\u3088\u3063\u3066\u305d\u306e\u5f79\u5272\u306f\u4e03\u5909\u5316\u3059\u308b\u3082\u306e\u3068\u601d\u3046\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n<\/div>\n<p><!--\u5439\u304d\u51fa\u3057\u7d42\u308f\u308a--><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%8A%E3%81%99%E3%81%99%E3%82%81%E3%81%AE%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%81%AF%E3%81%AA%E3%81%AB%EF%BC%9F\"><\/span>\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u306a\u306b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u8aac\u660e\u304c\u9577\u304f\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u672c\u984c\u306e\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3068\u3057\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u3069\u308c\u3082\u9ad8\u901f\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u3001DNS over HTTPS\u3084DNS over TLS\u306e\u3088\u3046\u306a\u6697\u53f7\u5316\u901a\u4fe1\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308bCloudflare DNS\u3084Quad9\u306f\u3001\u3088\u308a\u5b89\u5168\u306a\u901a\u4fe1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Google_Public_DNS\"><\/span>Google Public DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Google\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3001\u9ad8\u901f\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u5b89\u5168\u6027\u306b\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\nIPv4\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f8.8.8.8\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f8.8.4.4\u3067\u3059\u3002<br \/>\nIPv6\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f2001:4860:4860::8888\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f2001:4860:4860::8844\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cloudflare_DNS\"><\/span>Cloudflare DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cloudflare\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3001\u9ad8\u901f\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001DNS over HTTPS\u3084DNS over TLS\u306e\u3088\u3046\u306a\u6697\u53f7\u5316\u901a\u4fe1\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nIPv4\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f1.1.1.1\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f1.0.0.1\u3067\u3059\u3002<br \/>\nIPv6\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f2606:4700:4700::1111\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f2606:4700:4700::1001\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"OpenDNS\"><\/span>OpenDNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cisco\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3001\u5b89\u5168\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u5bb6\u5ead\u5411\u3051\u306b\u306f\u3001\u4e0d\u9069\u5207\u306a\u30b5\u30a4\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u6a5f\u80fd\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nIPv4\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f208.67.222.222\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f208.67.220.220\u3067\u3059\u3002<br \/>\nIPv6\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f2620:119:35::35\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f2620:119:53::53\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Quad9\"><\/span>Quad9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Quad9\u304c\u63d0\u4f9b\u3059\u308bDNS\u30b5\u30fc\u30d0\u30fc\u3067\u3001\u9ad8\u901f\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u4e0d\u6b63\u306a\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u6a5f\u80fd\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nIPv4\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f9.9.9.9\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f149.112.112.112\u3067\u3059\u3002<br \/>\nIPv6\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u5fdc\uff1a\u30d7\u30e9\u30a4\u30de\u30eaDNS\u306f2620:fe::fe\u3001\u30bb\u30ab\u30f3\u30c0\u30eaDNS\u306f2620:fe::9\u3067\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%82%B2%E3%83%BC%E3%83%A0%E3%81%AB%E6%9C%80%E9%81%A9%E3%81%AA%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AF%E3%83%91%E3%83%96%E3%83%AA%E3%83%83%E3%82%AFDNS%E3%82%B5%E3%83%BC%E3%83%90%E3%81%AF%E3%81%A9%E3%82%8C%EF%BC%9F\"><\/span>\u30b2\u30fc\u30e0\u306b\u6700\u9069\u306a\u30d1\u30d6\u30ea\u30c3\u30af\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u306f\u3069\u308c\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30b2\u30fc\u30e0\u306b\u6700\u9069\u306a\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u4e00\u822c\u7684\u306b\u306f\u4f4e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3067\u9ad8\u901f\u306a\u3082\u306e\u304c\u671b\u307e\u3057\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u306e\u4e2d\u3067\u3001\u30b2\u30fc\u30e0\u306b\u9069\u3057\u305f\u3082\u306e\u3068\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Google_Public_DNS-2\"><\/span>Google Public DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Google Public DNS\u306f\u3001\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3001\u5e73\u5747\u7684\u306a\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u304c\u975e\u5e38\u306b\u4f4e\u3044\u305f\u3081\u3001\u30b2\u30fc\u30e0\u306b\u9069\u3057\u3066\u3044\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cloudflare_DNS-2\"><\/span>Cloudflare DNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cloudflare DNS\u306f\u3001\u9ad8\u901f\u306a\u5fdc\u7b54\u6642\u9593\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001DNS over HTTPS\uff08DoH\uff09\u304a\u3088\u3073DNS over TLS\uff08DoT\uff09\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308a\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3082\u5f37\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"OpenDNS-2\"><\/span>OpenDNS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>OpenDNS\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3084\u4e0d\u6b63\u306a\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u9632\u6b62\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u901f\u3067\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3068\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%95%E3%81%84%E3%81%94%E3%81%AB\"><\/span>\u3055\u3044\u3054\u306b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001<\/p>\n<div class=\"endinfo\">\u30fbDNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e<br \/>\n\u30fb\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc<\/div>\n<p>\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<p>\u307e\u305f\u3001\u4ed6\u306b\u3082\u4fbf\u5229\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u3088\u308d\u3057\u3051\u308c\u3070\u3054\u53c2\u7167\u9802\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u3092\u77e5\u308a\u305f\u3044\u3068\u304d\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 \u3051\u3069\u3001\u305d\u3093\u306a\u4e2d\u3067\u60a9\u3080\u3053\u3068\u306f\u3001 \u30fb\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u304c\u306a\u306b\u304b\u308f\u304b\u3089\u306a\u3044 \u30fb\u305d\u3082\u305d\u3082DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e\u304c\u308f\u304b\u3089\u306a\u3044 \u3067\u3059\u3088\u306d\u3002 \u4eca\u56de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[217],"class_list":{"0":"post-11278","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-web","8":"tag-dns","9":"article cf"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"\u30bf\u30ab\u30d2\u30ed@extan\"\/>\n\t<meta name=\"keywords\" content=\"dns\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/extan.jp\/?p=11278\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"ja_JP\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\u30a8\u30af\u77ed\uff5cExtan.jp\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\uff01DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e\u3082\u307e\u3068\u3081\uff01 | \u30a8\u30af\u77ed\uff5cExtan.jp\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/extan.jp\/?p=11278\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-05-09T23:39:35+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-05-10T02:39:51+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u304a\u3059\u3059\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30b5\u30fc\u30d0\u30fc\u7d39\u4ecb\uff01DNS\u30b5\u30fc\u30d0\u30fc\u306e\u6982\u8981\u3084\u7a2e\u985e\u3082\u307e\u3068\u3081\uff01 | \u30a8\u30af\u77ed\uff5cExtan.jp\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/extan.jp\\\/?p=11278#article\",\"name\":\"\\u304a\\u3059\\u3059\\u3081\\u306e\\u30d1\\u30d6\\u30ea\\u30c3\\u30afDNS\\u30b5\\u30fc\\u30d0\\u30fc\\u7d39\\u4ecb\\uff01DNS\\u30b5\\u30fc\\u30d0\\u30fc\\u306e\\u6982\\u8981\\u3084\\u7a2e\\u985e\\u3082\\u307e\\u3068\\u3081\\uff01 | 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