{"id":476872,"date":"2023-08-09T09:04:34","date_gmt":"2023-08-09T09:04:34","guid":{"rendered":""},"modified":"2023-09-05T11:13:36","modified_gmt":"2023-09-05T11:13:36","slug":"dns","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/dns\/","title":{"rendered":"DNS"},"content":{"rendered":"<p>\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u57fa\u672c\u7684\u306a\u69cb\u6210\u8981\u7d20\u3067\u3042\u308a\u3001\u30ef\u30fc\u30eb\u30c9\u30ef\u30a4\u30c9\u30a6\u30a7\u30d6\u306e\u96fb\u8a71\u5e33\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002DNS\u306f\u3001\u300c<a href=\"https:\/\/oneproxy.pro\/jp\/\" target=\"_new\" rel=\"noopener\">\u30db\u30fc\u30e0\u30da\u30fc\u30b8<\/a>\u201d \u3092\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u76f8\u4e92\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u6570\u5024\u306e IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n<h2>DNS\u306e\u8a95\u751f\u3068\u9032\u5316<\/h2>\n<p>\u30c9\u30e1\u30a4\u30f3\u540d\u30b7\u30b9\u30c6\u30e0\u306e\u6982\u5ff5\u306f\u300120 \u4e16\u7d00\u5f8c\u534a\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u6025\u901f\u306b\u6210\u9577\u3057\u59cb\u3081\u305f\u3068\u304d\u306b\u3001\u30b7\u30f3\u30d7\u30eb\u3055\u3068\u52b9\u7387\u6027\u306e\u5fc5\u8981\u6027\u304b\u3089\u751f\u307e\u308c\u307e\u3057\u305f\u3002DNS \u304c\u767b\u5834\u3059\u308b\u524d\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u3059\u3079\u3066\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306f IP \u30a2\u30c9\u30ec\u30b9\u306e\u307f\u3067\u8b58\u5225\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u6570\u5b57\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u306f\u899a\u3048\u305f\u308a\u4f7f\u7528\u3057\u305f\u308a\u3059\u308b\u306e\u304c\u56f0\u96e3\u3060\u3063\u305f\u305f\u3081\u3001\u3088\u308a\u76f4\u611f\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u304c\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>DNS \u306e\u6700\u521d\u306e\u5b9f\u88c5\u306f\u30011983 \u5e74\u306b\u5357\u30ab\u30ea\u30d5\u30a9\u30eb\u30cb\u30a2\u5927\u5b66\u60c5\u5831\u79d1\u5b66\u7814\u7a76\u6240\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u79d1\u5b66\u8005\u3001\u30dd\u30fc\u30eb \u30e2\u30ab\u30da\u30c8\u30ea\u30b9\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u307e\u3057\u305f\u3002\u5f7c\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3082\u3068\u3082\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30bf\u30b9\u30af \u30d5\u30a9\u30fc\u30b9 (IETF) \u306e\u6587\u66f8 RFC 882 \u304a\u3088\u3073 RFC 883 \u3068\u3057\u3066\u516c\u958b\u3055\u308c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u901a\u4fe1\u3059\u308b\u65b9\u6cd5\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u3001\u73fe\u5728\u3067\u3082\u6a19\u6e96\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>DNS \u3092\u8a73\u3057\u304f\u8abf\u3079\u308b<\/h2>\n<p>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u672c\u7684\u306a\u5f79\u5272\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3059\u3002DNS \u89e3\u6c7a\u3068\u547c\u3070\u308c\u308b\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u8981\u6c42\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5bfe\u5fdc\u3059\u308b\u6b63\u3057\u3044 IP \u30a2\u30c9\u30ec\u30b9\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304b\u3089\u4e00\u9023\u306e DNS \u30b5\u30fc\u30d0\u30fc\u306b\u4e00\u9023\u306e\u30af\u30a8\u30ea\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b7\u30b9\u30c6\u30e0\u306f\u5206\u6563\u578b\u3067\u3059\u3002\u3064\u307e\u308a\u3001DNS \u3092\u5236\u5fa1\u3059\u308b\u5358\u4e00\u306e\u7d44\u7e54\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u4e16\u754c\u4e2d\u306b\u5e83\u304c\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u305d\u308c\u304c\u30b7\u30b9\u30c6\u30e0\u306e\u5805\u7262\u6027\u3068\u62e1\u5f35\u6027\u306b\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002\u968e\u5c64\u306f\u30eb\u30fc\u30c8 \u30b5\u30fc\u30d0\u30fc\u304b\u3089\u59cb\u307e\u308a\u3001\u6b21\u306b .com\u3001.net\u3001.org \u306a\u3069\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb \u30c9\u30e1\u30a4\u30f3 (TLD)\u3001.us\u3001.uk\u3001.in \u306a\u3069\u306e\u56fd\u30ec\u30d9\u30eb \u30c9\u30e1\u30a4\u30f3\u3001\u305d\u3057\u3066\u6700\u5f8c\u306b\u30ec\u30b8\u30b9\u30c8\u30e9\u304b\u3089\u8cfc\u5165\u3059\u308b\u540d\u524d\u3067\u3042\u308b\u30bb\u30ab\u30f3\u30c9\u30ec\u30d9\u30eb \u30c9\u30e1\u30a4\u30f3 (SLD) \u304c\u7d9a\u304d\u307e\u3059\u3002<\/p>\n<h2>DNS \u306e\u5185\u90e8\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306f DNS \u89e3\u6c7a\u3068\u547c\u3070\u308c\u3001\u901a\u5e38\u306f\u6570\u30df\u30ea\u79d2\u4ee5\u5185\u306b\u5b9f\u884c\u3055\u308c\u3001\u3044\u304f\u3064\u304b\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30d6\u30e9\u30a6\u30b6\u306b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306f\u3001\u901a\u5e38\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc (ISP) \u306b\u3088\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u30ed\u30fc\u30ab\u30eb DNS \u30b5\u30fc\u30d0\u30fc\u306b\u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n<li>\u30ed\u30fc\u30ab\u30eb DNS \u30b5\u30fc\u30d0\u30fc\u304c\u56de\u7b54\u3092\u77e5\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u30af\u30a8\u30ea\u3092\u30eb\u30fc\u30c8 \u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002<\/li>\n<li>\u30eb\u30fc\u30c8 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u62e1\u5f35\u5b50 (.com\u3001.net \u306a\u3069) \u3092\u62c5\u5f53\u3059\u308b TLD \u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u5fdc\u7b54\u3057\u307e\u3059\u3002<\/li>\n<li>TLD \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u6a29\u5a01 DNS \u30b5\u30fc\u30d0\u30fc\u3092\u6307\u3057\u307e\u3059\u3002<\/li>\n<li>\u6700\u5f8c\u306b\u3001\u6a29\u5a01\u30b5\u30fc\u30d0\u30fc\u306f\u30c9\u30e1\u30a4\u30f3\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u63d0\u4f9b\u3057\u3001\u305d\u308c\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306b\u9001\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>DNS\u306e\u4e3b\u306a\u6a5f\u80fd<\/h2>\n<p>DNS \u306b\u306f\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5206\u6563\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>: DNS \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u4e16\u754c\u4e2d\u306e\u591a\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5206\u6563\u3055\u308c\u3066\u304a\u308a\u3001\u30a2\u30af\u30bb\u30b9\u6027\u3068\u4fe1\u983c\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u968e\u5c64\u69cb\u9020<\/strong>: DNS \u69cb\u9020\u306b\u3088\u308a\u3001\u52b9\u7387\u7684\u304b\u3064\u9ad8\u901f\u306a\u30c9\u30e1\u30a4\u30f3\u540d\u89e3\u6c7a\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u30ed\u30fc\u30ab\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u30b0\u30ed\u30fc\u30d0\u30eb \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u307e\u3067\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30a9\u30fc\u30eb\u30c8\u30c8\u30ec\u30e9\u30f3\u30b9<\/strong>: DNS \u30b7\u30b9\u30c6\u30e0\u306f\u5206\u6563\u578b\u3067\u3042\u308b\u305f\u3081\u3001\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30c8\u306a\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u30021 \u3064\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u969c\u5bb3\u304c\u767a\u751f\u3057\u3066\u3082\u3001\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u7d9a\u3051\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>: \u89e3\u6c7a\u30d7\u30ed\u30bb\u30b9\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u3001DNS \u30b5\u30fc\u30d0\u30fc\u306f\u53d7\u4fe1\u3057\u305f\u5fdc\u7b54\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30c9\u30e1\u30a4\u30f3\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u8a18\u61b6\u3067\u304d\u308b\u305f\u3081\u3001\u30af\u30a8\u30ea\u3054\u3068\u306b\u5b8c\u5168\u306a\u89e3\u6c7a\u3092\u884c\u3046\u5fc5\u8981\u6027\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e DNS \u30b5\u30fc\u30d0\u30fc<\/h2>\n<p>DNS \u30b5\u30fc\u30d0\u30fc\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u72ec\u81ea\u306e\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>DNS \u30ea\u30be\u30eb\u30d0<\/strong>: DNS \u30af\u30a8\u30ea \u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u6700\u521d\u306e\u9023\u7d61\u5148\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30eb\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc<\/strong>: \u30af\u30a8\u30ea\u3092\u9069\u5207\u306a TLD \u30b5\u30fc\u30d0\u30fc\u306b\u8a98\u5c0e\u3059\u308b DNS \u968e\u5c64\u306e\u6700\u4e0a\u4f4d\u30ec\u30d9\u30eb\u3002<\/p>\n<\/li>\n<li>\n<p><strong>TLD \u30b5\u30fc\u30d0\u30fc<\/strong>: \u7279\u5b9a\u306e TLD (.com\u3001.net \u306a\u3069) \u306e\u4e0b\u306b\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6a29\u5a01DNS\u30b5\u30fc\u30d0\u30fc<\/strong>: \u30c9\u30e1\u30a4\u30f3\u306e IP \u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u3059\u308b\u78ba\u5b9a\u7684\u306a\u60c5\u5831\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>DNS \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u8ab2\u984c\u3001\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h2>\n<p>DNS \u306f IP \u30a2\u30c9\u30ec\u30b9\u3092\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u4ea4\u63db\u30b5\u30fc\u30d0\u30fc\u306e\u4e00\u89a7\u8868\u793a\u3001\u305d\u306e\u4ed6\u306e\u30c9\u30e1\u30a4\u30f3\u56fa\u6709\u306e\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u306b\u3082\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001DNS \u306f\u3001DNS \u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3084 DNS \u5897\u5e45\u653b\u6483\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8ab2\u984c\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3059\u3002DNSSEC (Domain Name System Security Extensions) \u306a\u3069\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001DNS \u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u4fe1\u983c\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002DNSSEC \u306f\u3001\u30c7\u30fc\u30bf\u306b\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u3057\u3066\u3001\u8ee2\u9001\u4e2d\u306b\u30c7\u30fc\u30bf\u304c\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u8105\u5a01\u306b\u5bfe\u6297\u3057\u307e\u3059\u3002<\/p>\n<h2>DNS \u3068\u985e\u4f3c\u30b7\u30b9\u30c6\u30e0\u306e\u6bd4\u8f03<\/h2>\n<p>DNS \u306f\u30c9\u30e1\u30a4\u30f3\u304b\u3089 IP \u3078\u306e\u89e3\u6c7a\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u304c\u3001\u4ee3\u66ff\u624b\u6bb5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30b7\u30b9\u30c6\u30e0<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DNS<\/td>\n<td>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5168\u4f53\u3067\u4f7f\u7528\u3055\u308c\u308b\u5206\u6563\u578b\u306e\u968e\u5c64\u578b\u30b7\u30b9\u30c6\u30e0\u3002\u5805\u7262\u6027\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30db\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb<\/td>\n<td>\u30db\u30b9\u30c8\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30ed\u30fc\u30ab\u30eb \u30d5\u30a1\u30a4\u30eb\u3002\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306f\u5236\u9650\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>mDNS (\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8DNS)<\/td>\n<td>\u5c0f\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u30db\u30b9\u30c8\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002DNS \u30b5\u30fc\u30d0\u30fc\u3084\u4e8b\u524d\u8a2d\u5b9a\u3055\u308c\u305f\u30b5\u30fc\u30d3\u30b9\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/td>\n<\/tr>\n<tr>\n<td>LDAP (\u8efd\u91cf\u30c7\u30a3\u30ec\u30af\u30c8\u30ea \u30a2\u30af\u30bb\u30b9 \u30d7\u30ed\u30c8\u30b3\u30eb)<\/td>\n<td>\u5206\u6563\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u60c5\u5831\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3002DNS \u3088\u308a\u3082\u8907\u96d1\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS\u306e\u5c06\u6765\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>DNS \u306f\u3001\u65b0\u305f\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u30e6\u30fc\u30b6\u30fc\u306e\u8981\u6c42\u306b\u5408\u308f\u305b\u3066\u9032\u5316\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002DNS over HTTPS (DoH) \u3068 DNS over TLS (DoT) \u306f\u3001DNS \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u65b0\u3057\u3044\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u30e2\u30ce\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 (IoT) \u30c7\u30d0\u30a4\u30b9\u304c\u5897\u52a0\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u30b9\u30e0\u30fc\u30ba\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3092\u7dad\u6301\u3059\u308b\u306b\u306f\u3001\u52b9\u7387\u7684\u306a DNS \u64cd\u4f5c\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3068DNS<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6c42\u3081\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u8981\u6c42\u3092\u4ef2\u4ecb\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u6c42\u306b\u306f Web \u30da\u30fc\u30b8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u305d\u306e\u5834\u5408\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f DNS \u3068\u5bfe\u8a71\u3057\u3066\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u4e00\u7a2e\u3067\u3042\u308b DNS \u30d7\u30ed\u30ad\u30b7\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u306e DNS \u30af\u30a8\u30ea\u3092 DNS \u30b5\u30fc\u30d0\u30fc\u306b\u8ee2\u9001\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3088\u3063\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3001\u30b3\u30f3\u30c6\u30f3\u30c4 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306a\u3069\u306e\u8ffd\u52a0\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc1034\" target=\"_new\" rel=\"noopener nofollow\">IETF \u2013 \u30c9\u30e1\u30a4\u30f3\u540d \u2013 \u6982\u5ff5\u3068\u6a5f\u80fd<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc1035\" target=\"_new\" rel=\"noopener nofollow\">IETF \u2013 \u30c9\u30e1\u30a4\u30f3\u540d \u2013 \u5b9f\u88c5\u3068\u4ed5\u69d8<\/a><\/li>\n<li><a href=\"https:\/\/www.icann.org\/resources\/pages\/dnssec-what-is-it-why-important-2019-03-05-en\" target=\"_new\" rel=\"noopener nofollow\">DNSSEC \u3068\u306f\u4f55\u304b\u3001\u306a\u305c\u91cd\u8981\u306a\u306e\u304b?<\/a><\/li>\n<\/ul>\n<p>\u5206\u6563\u578b\u3067\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30c8\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001DNS \u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6a5f\u80fd\u306e\u8981\u3067\u3042\u308a\u7d9a\u3051\u307e\u3059\u3002DNS \u306f\u65b0\u3057\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u30e6\u30fc\u30b6\u30fc\u306e\u8981\u6c42\u3068\u3068\u3082\u306b\u9032\u5316\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u306e\u9818\u57df\u306b\u304a\u3051\u308b\u7814\u7a76\u3068\u7406\u89e3\u306e\u91cd\u8981\u306a\u30c8\u30d4\u30c3\u30af\u3067\u3042\u308a\u7d9a\u3051\u308b\u3067\u3057\u3087\u3046\u3002<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476872","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>The Domain Name System: An Essential Facet of Internet Communication<\/mark>","faq_items":[{"question":"What is the Domain Name System (DNS)?","answer":"<p>The Domain Name System (DNS) is a crucial component of the internet, functioning as the phonebook of the World Wide Web. It translates human-friendly website names into the numeric IP addresses that computers use to connect with each other.<\/p>"},{"question":"When and why was the DNS first created?","answer":"<p>The first implementation of DNS was in 1983 by Paul Mockapetris. It was created to simplify and enhance the efficiency of internet communication as it grew rapidly. Prior to DNS, every computer on the internet was identified solely by an IP address, making it challenging to remember and use, thus leading to the development of a more intuitive system.<\/p>"},{"question":"How does DNS work?","answer":"<p>DNS works by converting domain names into IP addresses in a process known as DNS resolution. It involves a sequence of queries from the user's computer to a series of DNS servers until it finds the correct IP address that corresponds to the requested domain name.<\/p>"},{"question":"What are some key features of DNS?","answer":"<p>Key features of DNS include its distributed database which enhances accessibility and reliability, a hierarchical structure for efficient domain name resolution, fault tolerance to handle server failures, and caching to speed up the resolution process.<\/p>"},{"question":"What types of DNS servers exist?","answer":"<p>There are several types of DNS servers, each with unique roles: DNS Resolver (the client's first point of contact in the DNS query process), Root Server (guides queries towards the right TLD server), TLD Server (manages information about the domains under a specific TLD), and Authoritative DNS Server (holds the definitive information about a domain's IP address).<\/p>"},{"question":"What are some problems and solutions related to DNS?","answer":"<p>DNS faces several security challenges such as DNS spoofing and DNS amplification attacks. A solution like DNSSEC (Domain Name System Security Extensions) ensures the integrity and authenticity of DNS data by digitally signing data to confirm it hasn't been tampered with during transit.<\/p>"},{"question":"What is the relation between proxy servers and DNS?","answer":"<p>Proxy servers serve as intermediaries for requests from clients seeking resources from other servers. These requests could involve accessing a webpage, in which case the proxy server may interact with DNS to resolve the domain name. DNS proxy is a type of proxy server that forwards DNS queries from devices to a DNS server.<\/p>"},{"question":"What are some future perspectives and technologies in DNS?","answer":"<p>DNS continues to evolve with emerging technologies and user demands. DNS over HTTPS (DoH) and DNS over TLS (DoT) are new protocols that encrypt DNS traffic, enhancing user privacy and security. As Internet of Things (IoT) devices multiply, efficient DNS operations will be crucial in maintaining smooth and reliable network communication.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476872\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476872"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}