{"id":477924,"date":"2023-08-09T09:22:33","date_gmt":"2023-08-09T09:22:33","guid":{"rendered":""},"modified":"2023-09-05T11:15:42","modified_gmt":"2023-09-05T11:15:42","slug":"mail-exchange-record","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/mail-exchange-record\/","title":{"rendered":"\u30e1\u30fc\u30eb\u4ea4\u63db\u8a18\u9332"},"content":{"rendered":"<p>\u30e1\u30fc\u30eb\u4ea4\u63db\u30ec\u30b3\u30fc\u30c9\uff08MX\u30ec\u30b3\u30fc\u30c9\uff09\u306f\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u6b63\u3057\u3044\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u30e1\u30fc\u30eb\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308bDNS\uff08\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff09\u30ec\u30b3\u30fc\u30c9\u306e\u4e00\u7a2e\u3067\u3059\u3002\u8ab0\u304b\u304c\u6b21\u306e\u3088\u3046\u306a\u30a2\u30c9\u30ec\u30b9\u306b\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001 <a href=\"mailto:username@domain.com\" target=\"_new\" rel=\"noopener\">username@domain.com<\/a>MX \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u306e\u53d7\u4fe1\u30e1\u30fc\u30eb\u3092\u51e6\u7406\u3059\u308b\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u3092\u8b58\u5225\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc OneProxy (oneproxy.pro) \u306e\u5834\u5408\u3001MX \u30ec\u30b3\u30fc\u30c9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30e1\u30fc\u30eb \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h2>\u90f5\u4fbf\u4ea4\u63db\u8a18\u9332\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u30e1\u30fc\u30eb\u4ea4\u63db\u30ec\u30b3\u30fc\u30c9\u306e\u6982\u5ff5\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u52b9\u7387\u7684\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u6027\u304c\u751f\u3058\u305f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u521d\u671f\u306e\u9803\u306b\u9061\u308a\u307e\u3059\u3002MX \u30ec\u30b3\u30fc\u30c9\u304c\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6280\u8853\u30bf\u30b9\u30af\u30d5\u30a9\u30fc\u30b9 (IETF) \u304c\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0\u3092\u6a19\u6e96\u5316\u3057\u3001MX \u30ec\u30b3\u30fc\u30c9\u306e\u4ed5\u69d8\u304c RFC 974 \u306b\u5b9a\u3081\u3089\u308c\u305f 1980 \u5e74\u4ee3\u306b\u9061\u308a\u307e\u3059\u3002\u305d\u308c\u4ee5\u6765\u3001\u3044\u304f\u3064\u304b\u306e\u66f4\u65b0\u3068\u6539\u5584\u304c\u884c\u308f\u308c\u3001\u6700\u65b0\u306e\u4ed5\u69d8\u306f RFC 5321 \u3068 RFC 5322 \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30e1\u30fc\u30eb\u4ea4\u63db\u8a18\u9332\u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>MX \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u30d7\u30ed\u30bb\u30b9\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u8ab0\u304b\u304c\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u9001\u4fe1\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u53d7\u4fe1\u8005\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f MX \u30ec\u30b3\u30fc\u30c9\u3092 DNS \u30b7\u30b9\u30c6\u30e0\u306b\u7167\u4f1a\u3057\u307e\u3059\u3002MX \u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3001\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306e\u30db\u30b9\u30c8\u540d\u3068\u512a\u5148\u5ea6\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u512a\u5148\u5ea6\u306e\u5024\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u306b\u8907\u6570\u306e MX \u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u3001\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u9806\u5e8f\u3092\u6c7a\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>MX \u30ec\u30b3\u30fc\u30c9\u306e\u5185\u90e8\u69cb\u9020\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u5358\u7d14\u306a\u5f62\u5f0f\u306b\u306a\u308a\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\"><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\" data-no-translation=\"\">domain.com.     IN     MX     priority mailserver.domain.com.\n<\/code><\/div><\/div><\/pre>\n<ul>\n<li><code data-no-translation=\"\">domain.com.<\/code>: MX \u30ec\u30b3\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3002<\/li>\n<li><code data-no-translation=\"\">IN<\/code>: \u30ec\u30b3\u30fc\u30c9\u30af\u30e9\u30b9 (IN \u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u7565)\u3002<\/li>\n<li><code data-no-translation=\"\">MX<\/code>: \u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e (MX \u30ec\u30b3\u30fc\u30c9\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059)\u3002<\/li>\n<li><code data-no-translation=\"\">priority<\/code>: \u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306e\u512a\u5148\u5ea6\u3092\u793a\u3059\u6570\u5024\u3002\u5024\u304c\u5c0f\u3055\u3044\u307b\u3069\u512a\u5148\u5ea6\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><code data-no-translation=\"\">mailserver.domain.com.<\/code>: \u30c9\u30e1\u30a4\u30f3\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u51e6\u7406\u3092\u62c5\u5f53\u3059\u308b\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306e\u30db\u30b9\u30c8\u540d\u3002<\/li>\n<\/ul>\n<h2>\u30e1\u30fc\u30eb\u4ea4\u63db\u8a18\u9332\u306e\u4e3b\u306a\u7279\u5fb4\u306e\u5206\u6790<\/h2>\n<p>MX \u30ec\u30b3\u30fc\u30c9\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30e1\u30fc\u30eb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>: MX \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u6b63\u3057\u3044\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3001\u30bf\u30a4\u30e0\u30ea\u30fc\u304b\u3064\u6b63\u78ba\u306a\u914d\u4fe1\u3092\u4fdd\u8a3c\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5197\u9577\u6027<\/strong>: MX \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u512a\u5148\u9806\u4f4d\u306e\u7570\u306a\u308b\u8907\u6570\u306e\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5197\u9577\u6027\u306b\u3088\u308a\u3001\u30d7\u30e9\u30a4\u30de\u30ea \u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u304c\u4f7f\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u3067\u3082\u3001\u9001\u4fe1\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b63\u5e38\u306b\u914d\u4fe1\u3055\u308c\u308b\u307e\u3067\u30bb\u30ab\u30f3\u30c0\u30ea \u30b5\u30fc\u30d0\u30fc\u3092\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u67d4\u8edf\u6027<\/strong>: \u7ba1\u7406\u8005\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3084\u79fb\u884c\u306a\u3069\u3001\u96fb\u5b50\u30e1\u30fc\u30eb \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u5909\u66f4\u306b\u5408\u308f\u305b\u3066 MX \u30ec\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30e1\u30fc\u30eb\u4ea4\u63db\u8a18\u9332\u306e\u7a2e\u985e<\/h2>\n<p>\u512a\u5148\u5ea6\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u3001MX \u30ec\u30b3\u30fc\u30c9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u512a\u5148\u5ea6<\/th>\n<th>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>10<\/td>\n<td>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc1.domain.com\u3002<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc2.domain.com\u3002<\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc3.domain.com\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001mailserver1.domain.com \u306e\u512a\u5148\u5ea6\u304c\u6700\u3082\u9ad8\u304f\u3001\u6b21\u306b mailserver2.domain.com\u3001\u6700\u5f8c\u306b mailserver3.domain.com \u306e\u512a\u5148\u5ea6\u304c\u6700\u3082\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30e1\u30fc\u30eb\u4ea4\u63db\u8a18\u9332\u306e\u5229\u7528\u65b9\u6cd5\u3001\u5229\u7528\u306b\u4f34\u3046\u554f\u984c\u70b9\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<h3>\u30e1\u30fc\u30eb\u4ea4\u63db\u8a18\u9332\u306e\u4f7f\u7528\u65b9\u6cd5:<\/h3>\n<ol>\n<li>\n<p><strong>\u96fb\u5b50\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9\u306e\u8a2d\u5b9a<\/strong>: MX \u30ec\u30b3\u30fc\u30c9\u306f\u3001\u72ec\u81ea\u306e\u30c9\u30e1\u30a4\u30f3\u3067\u30ab\u30b9\u30bf\u30e0 \u30e1\u30fc\u30eb \u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u7d44\u7e54\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u5197\u9577\u6027<\/strong>: \u512a\u5148\u9806\u4f4d\u306e\u7570\u306a\u308b\u8907\u6570\u306e MX \u30ec\u30b3\u30fc\u30c9\u3092\u69cb\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u7ba1\u7406\u8005\u306f\u96fb\u5b50\u30e1\u30fc\u30eb\u914d\u4fe1\u306e\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u3068\u5197\u9577\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e1\u30fc\u30eb\u30b5\u30fc\u30d3\u30b9<\/strong>: \u4f01\u696d\u306f MX \u30ec\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3 \u30a2\u30c9\u30ec\u30b9\u3092\u305d\u306e\u307e\u307e\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u96fb\u5b50\u30e1\u30fc\u30eb \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u4f7f\u7528\u306b\u95a2\u3059\u308b\u554f\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ol>\n<li>\n<p><strong>\u30e1\u30fc\u30eb\u914d\u4fe1\u5931\u6557<\/strong>: MX \u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u304c\u9593\u9055\u3063\u3066\u3044\u305f\u308a\u3001\u6b20\u843d\u3057\u3066\u3044\u308b\u3068\u3001\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u306b\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u521d\u671f\u8a2d\u5b9a\u6642\u306b MX \u30ec\u30b3\u30fc\u30c9\u3092\u518d\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30d1\u30e0\u3068\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8<\/strong>: \u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u304c\u8aa4\u52d5\u4f5c\u3057\u305f\u308a\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408\u3001\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3001\u30e1\u30fc\u30eb\u304c\u30b9\u30d1\u30e0\u3068\u3057\u3066\u30de\u30fc\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u3001\u5b9a\u671f\u7684\u306a\u76e3\u8996\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNS \u4f1d\u64ad\u9045\u5ef6<\/strong>: MX \u30ec\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5168\u4f53\u306b\u4f1d\u308f\u308b\u307e\u3067\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u4e00\u6642\u7684\u306b\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u304c\u4e2d\u65ad\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7ba1\u7406\u8005\u306f\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5c11\u306a\u3044\u6642\u9593\u5e2f\u306b\u5909\u66f4\u3092\u8a08\u753b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\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>\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u540d\u3092 IPv4 \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\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\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>CNAME\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u65e2\u5b58\u306e A \u30ec\u30b3\u30fc\u30c9\u307e\u305f\u306f\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>TXT\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f\u4efb\u610f\u306e\u30c6\u30ad\u30b9\u30c8 \u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>SPF\u30ec\u30b3\u30fc\u30c9<\/td>\n<td>\u30c9\u30e1\u30a4\u30f3\u306b\u4ee3\u308f\u3063\u3066\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3067\u304d\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>DKIM<\/td>\n<td>\u96fb\u5b50\u30e1\u30fc\u30eb \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4fe1\u983c\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u624b\u6cd5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>MX \u30ec\u30b3\u30fc\u30c9\u306f\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u51e6\u7406\u3057\u3001A\u3001AAAA\u3001CNAME \u30ec\u30b3\u30fc\u30c9\u306f\u30c9\u30e1\u30a4\u30f3\u3068 IP \u30a2\u30c9\u30ec\u30b9\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u51e6\u7406\u3057\u3001TXT \u30ec\u30b3\u30fc\u30c9\u306f\u96fb\u5b50\u30e1\u30fc\u30eb\u8a8d\u8a3c\u3067\u4f7f\u7528\u3055\u308c\u308b SPF \u3084 DKIM \u8a2d\u5b9a\u306a\u3069\u306e\u30c6\u30ad\u30b9\u30c8 \u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30e1\u30fc\u30eb\u4ea4\u63db\u8a18\u9332\u306b\u95a2\u3059\u308b\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>MX \u30ec\u30b3\u30fc\u30c9\u306e\u5c06\u6765\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9032\u5316\u3068\u5bc6\u63a5\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u30d3\u30b8\u30cd\u30b9\u3084\u500b\u4eba\u306e\u74b0\u5883\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u901a\u4fe1\u306e\u91cd\u8981\u6027\u304c\u9ad8\u307e\u308b\u306b\u3064\u308c\u3066\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u914d\u4fe1\u3068\u30b9\u30d1\u30e0\u5bfe\u7b56\u306e\u9769\u65b0\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002DMARC (\u30c9\u30e1\u30a4\u30f3 \u30d9\u30fc\u30b9\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u8a8d\u8a3c\u3001\u30ec\u30dd\u30fc\u30c8\u3001\u304a\u3088\u3073\u9069\u5408) \u306a\u3069\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u306f\u3001\u5f37\u5316\u3055\u308c\u305f\u96fb\u5b50\u30e1\u30fc\u30eb\u8a8d\u8a3c\u3068\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u9632\u6b62\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001MX \u30ec\u30b3\u30fc\u30c9\u3092\u88dc\u5b8c\u3057\u7d9a\u3051\u307e\u3059\u3002<\/p>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3084\u30e1\u30fc\u30eb\u4ea4\u63db\u30ec\u30b3\u30fc\u30c9\u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7279\u306b\u8907\u6570\u306e\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u6271\u3046\u5834\u5408\u3084\u3001\u5927\u898f\u6a21\u306a\u30e1\u30fc\u30eb \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u7ba1\u7406\u3059\u308b\u5834\u5408\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067 MX \u30ec\u30b3\u30fc\u30c9\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u9001\u4fe1\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u3068\u53d7\u4fe1\u30e1\u30fc\u30eb \u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u4e2d\u9593\u30ea\u30ec\u30fc\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3068\u8ca0\u8377\u5206\u6563\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001MX \u30ec\u30b3\u30fc\u30c9\u3092\u542b\u3080 DNS \u60c5\u5831\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u3092\u9ad8\u901f\u5316\u3057\u3001\u5f85\u3061\u6642\u9593\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/rfc\/rfc974.txt\" target=\"_new\" rel=\"noopener nofollow\">RFC 974 \u2013 \u30e1\u30fc\u30eb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u30c9\u30e1\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/rfc\/rfc5321.txt\" target=\"_new\" rel=\"noopener nofollow\">RFC 5321 \u2013 \u30b7\u30f3\u30d7\u30eb\u30e1\u30fc\u30eb\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/rfc\/rfc5322.txt\" target=\"_new\" rel=\"noopener nofollow\">RFC 5322 \u2013 \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/dmarc.org\/\" target=\"_new\" rel=\"noopener nofollow\">DMARC.org \u2013 DMARC \u4ed5\u69d8<\/a><\/li>\n<\/ul>\n<p>\u30e1\u30fc\u30eb\u4ea4\u63db\u30ec\u30b3\u30fc\u30c9\u3068\u95a2\u9023\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u304b\u3089\u8cb4\u91cd\u306a\u6d1e\u5bdf\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"featured_media":477925,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477924","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Mail Exchange Record (MX Record) for the Website of Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is a Mail Exchange Record (MX Record)?","answer":"<p>A Mail Exchange Record (MX Record) is a type of DNS (Domain Name System) record that facilitates email routing for a domain. It helps identify the mail server responsible for handling incoming emails when someone sends an email to an address like <a href=\"mailto:username@domain.com\" target=\"_new\">username@domain.com<\/a>.<\/p>"},{"question":"How does a Mail Exchange Record work?","answer":"<p>When an email is sent to a recipient, the sending mail server queries the DNS system for the MX Record associated with the recipient's domain. The MX Record contains information about the mail server's hostname and priority. The priority value determines the order in which the mail servers should be contacted, ensuring efficient email delivery.<\/p>"},{"question":"What is the significance of MX Records for OneProxy (oneproxy.pro)?","answer":"<p>MX Records are crucial for OneProxy as they enable the efficient management of their email infrastructure. With MX Records, OneProxy can ensure timely and accurate email delivery for their domain, enhancing communication with their clients.<\/p>"},{"question":"How many types of Mail Exchange Records exist?","answer":"<p>MX Records can have different priority values, leading to various types. The types are distinguished by their priorities, where lower values indicate higher priority. For example:<\/p><ul><li>Priority 10: mailserver1.domain.com<\/li><li>Priority 20: mailserver2.domain.com<\/li><li>Priority 30: mailserver3.domain.com<\/li><\/ul>"},{"question":"What are the key features of MX Records?","answer":"<p>MX Records offer essential features:<\/p><ol><li>Email Routing: They play a pivotal role in routing emails to the correct mail server, ensuring successful delivery.<\/li><li>Redundancy: By specifying multiple mail servers with different priorities, they ensure failover and redundancy for email delivery.<\/li><li>Flexibility: Administrators can modify MX Records to adapt to changing email infrastructure, facilitating smooth operations.<\/li><\/ol>"},{"question":"How can MX Records be used alongside proxy servers?","answer":"<p>Proxy servers can complement MX Records in managing email delivery for multiple domains or large infrastructures. They act as intermediate relays, providing additional security and load balancing features. Additionally, proxy servers can cache DNS information, including MX Records, to expedite email delivery and reduce latency.<\/p>"},{"question":"What potential issues might arise with MX Records?","answer":"<p>Misconfigured or missing MX Records can lead to email delivery failures. Regular monitoring and maintenance are necessary to avoid problems like emails being marked as spam or experiencing DNS propagation delays. Proper setup and attention to details can mitigate these issues.<\/p>"},{"question":"What lies in the future for Mail Exchange Records?","answer":"<p>The future of MX Records is linked to advancements in email infrastructure and security. Technologies like DMARC will continue to complement MX Records, providing enhanced email authentication and anti-spoofing capabilities for improved communication and data security.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477924","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\/477924\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/477925"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477924"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}