{"id":476887,"date":"2023-08-09T09:05:02","date_gmt":"2023-08-09T09:05:02","guid":{"rendered":""},"modified":"2023-09-05T11:13:37","modified_gmt":"2023-09-05T11:13:37","slug":"dns-cname-record","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/dns-cname-record\/","title":{"rendered":"DNS cname \u30ec\u30b3\u30fc\u30c9"},"content":{"rendered":"<p>\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 (DNS) CNAME (\u6b63\u898f\u540d) \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b DNS \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u57fa\u672c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u3053\u308c\u306f\u30bf\u30fc\u30b2\u30c3\u30c8 \u30c9\u30e1\u30a4\u30f3\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u8907\u6570\u306e\u540d\u524d\u304c\u540c\u3058 IP \u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 CNAME \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u7279\u306b Web \u30b5\u30a4\u30c8\u306e\u30db\u30b9\u30c8\u540d\u306e\u5909\u66f4\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u3084 OneProxy \u306a\u3069\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u6210\u3059\u308b\u5834\u5408\u306b\u3001DNS \u7ba1\u7406\u3092\u7c21\u7d20\u5316\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<h2>DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>DNS \u30b7\u30b9\u30c6\u30e0\u306f\u3001ARPANET \u3067\u4f7f\u7528\u3055\u308c\u308b HOSTS.TXT \u30d5\u30a1\u30a4\u30eb\u3092\u7f6e\u304d\u63db\u3048\u308b\u305f\u3081\u306b 1980 \u5e74\u4ee3\u521d\u982d\u306b\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002 1983 \u5e74\u306b RFC 882 \u304a\u3088\u3073 RFC 883 \u3067\u6587\u66f8\u5316\u3055\u308c\u305f\u5143\u306e DNS \u4ed5\u69d8\u306b\u306f\u3001CNAME \u30ec\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u30a8\u30a4\u30ea\u30a2\u30b7\u30f3\u30b0\u306e\u6982\u5ff5\u3068\u3001\u540c\u3058\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u3059\u8907\u6570\u306e\u540d\u524d\u306e\u5fc5\u8981\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u30011987 \u5e74\u306b\u516c\u958b\u3055\u308c\u305f RFC 1034 \u304a\u3088\u3073 RFC 1035 \u3067 CNAME \u30ec\u30b3\u30fc\u30c9\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<h2>DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>CNAME \u30ec\u30b3\u30fc\u30c9\u306f\u4e3b\u306b\u3001\u65e2\u5b58\u306e\u30db\u30b9\u30c8\u540d\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u307e\u305f\u306f\u4ee3\u66ff\u540d\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 DNS \u30ea\u30be\u30eb\u30d0\u30fc\u306f CNAME \u30ec\u30b3\u30fc\u30c9\u3092\u691c\u51fa\u3059\u308b\u3068\u3001\u73fe\u5728\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092 CNAME \u30ec\u30b3\u30fc\u30c9\u3067\u6307\u5b9a\u3055\u308c\u305f\u6b63\u898f\u540d\u306b\u7f6e\u304d\u63db\u3048\u3001\u65b0\u3057\u3044\u89e3\u6c7a\u3092\u7d9a\u884c\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u3088\u3046\u306a CNAME \u30ec\u30b3\u30fc\u30c9\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><span>\u5ba2\u89b3\u7684\u306a<\/span><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-objectivec\" data-no-translation=\"\">www.example.com <span class=\"hljs-built_in\">CNAME<\/span> oneproxy.pro\n<\/code><\/div><\/div><\/pre>\n<p>\u300c\u300d\u306b\u95a2\u3059\u308b\u3054\u8981\u671b\u306f<a href=\"http:\/\/www.example.com\" target=\"_new\" rel=\"noopener nofollow\">www.example.com<\/a>\u300d\u306f\u300coneproxy.pro\u300d\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306e\u5185\u90e8\u69cb\u9020\u3068\u305d\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>CNAME \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u6b21\u306e 2 \u3064\u306e\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u69cb\u6210\u3055\u308c\u308b\u5358\u7d14\u306a\u69cb\u9020\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5225\u540d:<\/strong> \u3053\u308c\u306f\u3001\u5b8c\u5168\u4fee\u98fe\u30c9\u30e1\u30a4\u30f3\u540d (FQDN) \u3067\u8868\u3055\u308c\u308b\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f5c\u6210\u3059\u308b\u30c9\u30e1\u30a4\u30f3\u307e\u305f\u306f\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b63\u898f\u540d:<\/strong> \u3053\u308c\u306f\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u304c\u6307\u3059\u30bf\u30fc\u30b2\u30c3\u30c8 \u30c9\u30e1\u30a4\u30f3\u307e\u305f\u306f\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3067\u3042\u308a\u3001\u5b8c\u5168\u4fee\u98fe\u30c9\u30e1\u30a4\u30f3\u540d (FQDN) \u3067\u3082\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>DNS \u30ea\u30be\u30eb\u30d0\u30fc\u306f\u3001CNAME \u30ec\u30b3\u30fc\u30c9\u3067\u6307\u5b9a\u3055\u308c\u305f\u30a8\u30a4\u30ea\u30a2\u30b9\u540d\u306e\u30af\u30a8\u30ea\u3092\u53d7\u4fe1\u3059\u308b\u3068\u3001\u305d\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u6b63\u898f\u540d\u3092\u691c\u7d22\u3057\u3001\u65b0\u3057\u3044\u540d\u524d\u3067 DNS \u89e3\u6c7a\u30d7\u30ed\u30bb\u30b9\u3092\u7d9a\u884c\u3057\u307e\u3059\u3002<\/p>\n<h2>DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306e\u4e3b\u8981\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30a8\u30a4\u30ea\u30a2\u30b9\u306e\u4f5c\u6210:<\/strong> CNAME \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f5c\u6210\u3057\u3066\u30c9\u30e1\u30a4\u30f3\u7ba1\u7406\u3092\u7c21\u7d20\u5316\u3057\u3001\u30db\u30b9\u30c8\u540d\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3084\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u67d4\u8edf\u6027\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5358\u4e00\u89e3\u50cf\u5ea6:<\/strong> CNAME \u30ec\u30b3\u30fc\u30c9\u3092\u901a\u3058\u3066\u8907\u6570\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u3092 1 \u3064\u306e IP \u30a2\u30c9\u30ec\u30b9\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u91cd\u8907\u3059\u308b A (\u30a2\u30c9\u30ec\u30b9) \u30ec\u30b3\u30fc\u30c9\u306e\u5fc5\u8981\u6027\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>TTL\u5236\u5fa1:<\/strong> CNAME \u30ec\u30b3\u30fc\u30c9\u306b Time-to-Live (TTL) \u3092\u8a2d\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u7ba1\u7406\u8005\u306f DNS \u30ea\u30be\u30eb\u30d0\u30fc\u304c\u30ec\u30b3\u30fc\u30c9\u60c5\u5831\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u671f\u9593\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5225\u540d<\/th>\n<th>\u6b63\u898f\u540d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"http:\/\/www.example.com\" target=\"_new\" rel=\"noopener nofollow\">www.example.com<\/a><\/td>\n<td>\u30ef\u30f3\u30d7\u30ed\u30ad\u30b7.\u30d7\u30ed<\/td>\n<\/tr>\n<tr>\n<td>ftp.example.com<\/td>\n<td>\u30d7\u30ed\u30ad\u30b7.oneproxy.pro<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS CNAME\u30ec\u30b3\u30fc\u30c9\u306e\u4f7f\u3044\u65b9\u3068\u305d\u306e\u554f\u984c\u70b9\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n<h3>1. \u8ca0\u8377\u5206\u6563\u3068\u5197\u9577\u6027:<\/h3>\n<p>CNAME \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc \u30af\u30e9\u30b9\u30bf\u30fc\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5206\u6563\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5197\u9577\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u8ca0\u8377\u5206\u6563\u306b CNAME \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u3088\u304f\u3042\u308b\u554f\u984c\u306f\u3001DNS \u30ea\u30be\u30eb\u30d0\u30fc\u304c CNAME \u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u5206\u6563\u304c\u4e0d\u5747\u4e00\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3092\u8efd\u6e1b\u3059\u308b\u306b\u306f\u3001CNAME \u30ec\u30b3\u30fc\u30c9\u306b\u4f4e\u3044 TTL \u5024\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001DNS \u30af\u30a8\u30ea \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>2. \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u79fb\u884c:<\/h3>\n<p>Web \u30b5\u30a4\u30c8\u3092\u65b0\u3057\u3044\u30c9\u30e1\u30a4\u30f3\u307e\u305f\u306f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u79fb\u884c\u3059\u308b\u5834\u5408\u3001CNAME \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u53e4\u3044\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u65b0\u3057\u3044\u30c9\u30e1\u30a4\u30f3\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8ee2\u9001\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306b\u3088\u308a\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u304c\u4e21\u65b9\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u91cd\u8907\u3059\u308b\u3068\u3044\u3046\u30b7\u30ca\u30ea\u30aa\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9069\u5207\u306a 301 \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u5b9f\u88c5\u3059\u308b\u3068\u3001\u3053\u306e\u554f\u984c\u306e\u89e3\u6c7a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CNAME\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u307e\u305f\u306f\u4ee3\u66ff\u540d\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IPv4 \u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>AAAA\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IPv6 \u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>DNS \u524d\u65b9\u53c2\u7167<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IP \u30a2\u30c9\u30ec\u30b9\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>DNS \u9006\u5f15\u304d\u53c2\u7167<\/td>\n<td>IP \u30a2\u30c9\u30ec\u30b9\u3092\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>MX\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u306b\u4ee3\u308f\u3063\u3066\u96fb\u5b50\u30e1\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u4fe1\u3092\u62c5\u5f53\u3059\u308b\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>DNS \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9032\u6b69\u306b\u4f34\u3044\u9032\u5316\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u5c06\u6765\u7684\u306b\u306f\u3001\u6b21\u306e\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a:<\/strong> DNS over HTTPS (DoH) \u304a\u3088\u3073 DNS over TLS (DoT) \u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3055\u3089\u306b\u666e\u53ca\u3057\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068 DNS \u30d9\u30fc\u30b9\u306e\u653b\u6483\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u304c\u5f37\u5316\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u3068\u306e\u7d71\u5408:<\/strong> DNS \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u5206\u6563\u5316\u3001\u691c\u95b2\u3078\u306e\u8010\u6027\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3 \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u306e\u7d71\u5408\u3092\u691c\u8a0e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3001\u307e\u305f\u306f DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n<p>OneProxy \u306a\u3069\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001DNS CNAME \u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u9023\u4ed8\u3051\u3066\u3001\u30ea\u30bd\u30fc\u30b9\u307e\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u9593\u63a5\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306b\u6b21\u306e\u5834\u5408\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u8ca0\u8377\u5206\u6563:<\/strong> CNAME \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u53ef\u7528\u6027\u3084\u5730\u7406\u7684\u4f4d\u7f6e\u306b\u57fa\u3065\u3044\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u3055\u307e\u3056\u307e\u306a\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3057\u3001\u8ca0\u8377\u3092\u52b9\u679c\u7684\u306b\u5206\u6563\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u30e1\u30ab\u30cb\u30ba\u30e0:<\/strong> CNAME \u30ec\u30b3\u30fc\u30c9\u306b\u3088\u308a\u3001\u30d7\u30e9\u30a4\u30de\u30ea \u30b5\u30fc\u30d0\u30fc\u304c\u4f7f\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7 \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3078\u306e\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001CNAME \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u7279\u5b9a\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3092\u5225\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3001\u5bfe\u8c61\u3092\u7d5e\u3063\u305f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u53ef\u80fd\u306b\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\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\">RFC 1034 \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\">RFC 1035 \u2013 \u30c9\u30e1\u30a4\u30f3\u540d \u2013 \u5b9f\u88c5\u3068\u4ed5\u69d8<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Domain_Name_System\" target=\"_new\" rel=\"noopener nofollow\">DNS \u306e\u6982\u8981 \u2013 \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2<\/a><\/li>\n<li><a href=\"https:\/\/computer.howstuffworks.com\/dns.htm\" target=\"_new\" rel=\"noopener nofollow\">DNS \u306e\u8aac\u660e \u2013 HowStuffWorks<\/a><\/li>\n<\/ul>","protected":false},"featured_media":476888,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476887","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DNS CNAME Record for the Website of the Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is a DNS CNAME record and how does it work?","answer":"<p>A DNS CNAME record, also known as a Canonical Name record, is used to create an alias for a domain or subdomain, allowing it to resolve to another domain name. When a DNS resolver encounters a CNAME record, it replaces the alias with the canonical name specified in the record and continues the DNS resolution process with the new name.<\/p>"},{"question":"How does a DNS CNAME record differ from an A record?","answer":"<p>The DNS CNAME record maps one domain name to another, providing an alias or alternative name. On the other hand, an A record resolves a domain name to an IPv4 address directly. While CNAME records allow for flexibility and easy hostname changes, A records are essential for direct IP address resolution.<\/p>"},{"question":"What types of DNS CNAME records exist?","answer":"<p>DNS CNAME records can be employed for load balancing by distributing traffic across multiple server clusters. However, caching of CNAME results can cause uneven distribution. To manage this, a low Time-to-Live (TTL) value can be set to reduce caching duration, though it may increase DNS query traffic.<\/p>"},{"question":"How can DNS CNAME records be utilized for load balancing?","answer":"<p>Yes, CNAME records are useful during website migration to direct traffic from the old domain to the new one. However, caution must be exercised to avoid duplicate content issues with search engines. Implementing proper 301 redirects can address this concern effectively.<\/p>"},{"question":"Can DNS CNAME records be used during website migration?","answer":"<p>Proxy servers can leverage DNS CNAME records to facilitate load balancing, failover mechanisms, and targeted subdomain routing. By directing requests to different proxy servers based on availability or geographic locations, CNAME records enhance the efficiency and reliability of proxy server access.<\/p>"},{"question":"How can proxy servers like OneProxy benefit from DNS CNAME records?","answer":"<p>The future of DNS CNAME records may involve improvements in security with protocols like DNS over HTTPS (DoH) and DNS over TLS (DoT). Additionally, the integration of DNS with blockchain technology might enhance security, decentralization, and resistance to censorship.<\/p>"},{"question":"What are the future perspectives and technologies related to DNS CNAME records?","answer":""}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476887","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\/476887\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/476888"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476887"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}