{"id":18481,"date":"2021-09-01T09:56:49","date_gmt":"2021-09-01T00:56:49","guid":{"rendered":"http:\/\/xn--4gqynm0cew8m.asia\/?p=18481"},"modified":"2021-09-03T10:54:43","modified_gmt":"2021-09-03T01:54:43","slug":"dns-domain-name-system","status":"publish","type":"post","link":"https:\/\/xn--4gqynm0cew8m.asia\/?p=18481","title":{"rendered":"DNS (Domain Name System)"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DNS\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p>\u8a73\u7d30\u306f<a href=\"https:\/\/help.onamae.com\/answer\/7883\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3061\u3089<\/a>\u3078<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u30ec\u30b3\u30fc\u30c9TYPE<\/th><th>\u610f\u5473<\/th><th>\u5099\u8003<\/th><\/tr><tr><td>A\u30ec\u30b3\u30fc\u30c9<\/td><td>\u30db\u30b9\u30c8\u540d(URL\/FQDN)\u3068IP\uff564\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u95a2\u9023\u3065\u3051<\/td><td>MX\u30ec\u30b3\u30fc\u30c9\u3001CNAME\u30ec\u30b3\u30fc\u30c9\u3001NS\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u306b\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u5404\u30ec\u30b3\u30fc\u30c9\u306eVALUE(IP\u30a2\u30c9\u30ec\u30b9)\u3068\u30db\u30b9\u30c8\u540d\uff08FQDN\uff09\u3092A\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u5fc5\u8981\u3002<\/td><\/tr><tr><td>AAAA\u30ec\u30b3\u30fc\u30c9<\/td><td> \u30db\u30b9\u30c8\u540d(URL\/FQDN)\u3068IP\uff566\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u95a2\u9023\u3065\u3051 <\/td><td>&#8211;<\/td><\/tr><tr><td>CNAME\u30ec\u30b3\u30fc\u30c9<\/td><td>\u6b63\u898f\u30db\u30b9\u30c8\u540d\u306b\u5bfe\u3059\u308b\u5225\u540d\u3092\u5b9a\u7fa9\u3059\u308b\u30ec\u30b3\u30fc\u30c9<\/td><td>\u7279\u5b9a\u306e\u30db\u30b9\u30c8\u540d\u3092\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u8ee2\u9001\u3059\u308b\u6642\u306a\u3069\u306b\u5229\u7528\u3057\u307e\u3059\u3002<br>\u203b\u6b63\u898f\u30db\u30b9\u30c8\u540d\u306fA\u30ec\u30b3\u30fc\u30c9\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/td><\/tr><tr><td>MX\u30ec\u30b3\u30fc\u30c9<\/td><td>\u5bfe\u8c61\u30c9\u30e1\u30a4\u30f3\u5b9b\u306e\u30e1\u30fc\u30eb\u306e\u914d\u9001\u5148\uff08\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\uff09\u306e\u30db\u30b9\u30c8\u540d\u3092\u5b9a\u7fa9\u3059\u308b\u30ec\u30b3\u30fc\u30c9<\/td><td>\u203b VALUE\u306b\u306f\u3001\u3042\u3089\u304b\u3058\u3081A\u30ec\u30b3\u30fc\u30c9\u8a2d\u5b9a\u3092\u884c\u3063\u305f\u30db\u30b9\u30c8\uff08FQDN\uff09\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>NS\u30ec\u30b3\u30fc\u30c9<\/td><td>\u30be\u30fc\u30f3\u60c5\u5831\u3092\u7ba1\u7406\u3059\u308b\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306e<br>\u30b5\u30fc\u30d0\u30fc\u540d\u3092\u5b9a\u7fa9\u3059\u308b\u30ec\u30b3\u30fc\u30c9<\/td><td><br>\u203bNS\u30ec\u30b3\u30fc\u30c9\u306e\u30db\u30b9\u30c8\u540d\u306fA\u30ec\u30b3\u30fc\u30c9\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/td><\/tr><tr><td>TXT\uff08SPF\uff09\u30ec\u30b3\u30fc\u30c9<\/td><td>\u30db\u30b9\u30c8\u540d\u306b\u95a2\u9023\u4ed8\u3051\u308b\u30c6\u30ad\u30b9\u30c8\u60c5\u5831\uff08\u6587\u5b57\u5217\uff09\u3092\u5b9a\u7fa9\u3059\u308b\u30ec\u30b3\u30fc\u30c9<\/td><td>\u9001\u4fe1\u30c9\u30e1\u30a4\u30f3\u8a8d\u8a3c\u306e\u8a8d\u8a3c\u60c5\u5831\u306a\u3069\u3092\u8a18\u8ff0\u3059\u308b<\/td><\/tr><tr><td>SRV\u30ec\u30b3\u30fc\u30c9<\/td><td>\u4ee5\u4e0b\u3092\u53ef\u80fd\u306b\u3059\u308b\u30ec\u30b3\u30fc\u30c9<br>\u30fb\u8ca0\u8377\u5206\u6563\u30b5\u30fc\u30d3\u30b9\u306e\u63d0\u4f9b<br>\u30fb\u5197\u9577\u6027\u306e\u78ba\u4fdd<br>\u30fb\u30b5\u30fc\u30d3\u30b9\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u901a\u77e5<\/td><td> &#8211; <\/td><\/tr><tr><td>DS\u30ec\u30b3\u30fc\u30c9<\/td><td>\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u3067DNSSEC\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u30ec\u30b3\u30fc\u30c9<\/td><td>\u203b\u30db\u30b9\u30c8\u540d\u306a\u3057\u306eDS\u30ec\u30b3\u30fc\u30c9\u306f\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td>CAA\u30ec\u30b3\u30fc\u30c9<\/td><td>SSL\u30b5\u30fc\u30d0\u30fc\u8a3c\u660e\u66f8\u3092\u7b2c\u4e09\u8005\u304c\u52dd\u624b\u306b\u767a\u884c\u3059\u308b\u3053\u3068\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u30ec\u30b3\u30fc\u30c9<\/td><td> &#8211;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u8868\u7684\u306a\u30b3\u30de\u30f3\u30c9<\/h2>\n\n\n\n<p><a href=\"https:\/\/atmarkit.itmedia.co.jp\/aig\/06network\/nslookup.html\" target=\"_blank\" rel=\"noreferrer noopener\">nslookup<\/a><br>\u3000<a href=\"https:\/\/atmarkit.itmedia.co.jp\/ait\/articles\/0307\/19\/news003.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u30a4\u30f3\u30c8\u30e9\u30cd\u30c3\u30c8\u7de8<\/a><\/p>\n\n\n\n<p>dig<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30de\u30f3\u30c9\u7d50\u679c\u306e\u898b\u65b9<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">MX\u30ec\u30b3\u30fc\u30c9<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\uff58\uff58\uff58\uff58\uff58 IN MX 10 mail-in.\uff58\uff58\uff58.com.<\/code><\/pre>\n\n\n\n<p>\uff58\uff58\uff58\uff58\uff58\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u3059<\/p>\n\n\n\n<p>IN\u306fClass\u3067\u3059\u3002IN\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u4f7f\u3046\u30ec\u30b3\u30fc\u30c9\u3067\u3042\u308b\u3053\u3068\u3002\u3060\u305d\u3046\u3067\u3059\u3002<br>\u2193\u3053\u306e\u30b5\u30a4\u30c8\u3068\u3066\u3082\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u2193<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/japanrock-pg.hatenablog.com\/entry\/20090410\/1239355230\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" width=\"723\" height=\"205\" src=\"http:\/\/xn--4gqynm0cew8m.asia\/wp-content\/uploads\/2021\/09\/image-1.png\" alt=\"\" class=\"wp-image-18515\" srcset=\"https:\/\/xn--4gqynm0cew8m.asia\/wp-content\/uploads\/2021\/09\/image-1.png 723w, https:\/\/xn--4gqynm0cew8m.asia\/wp-content\/uploads\/2021\/09\/image-1-300x85.png 300w\" sizes=\"(max-width: 723px) 100vw, 723px\" \/><\/a><figcaption>\u306f\u3066\u306a\u30d6\u30ed\u30b0\uff1a<a href=\"https:\/\/japanrock-pg.hatenablog.com\/entry\/20090410\/1239355230\" target=\"_blank\" rel=\"noreferrer noopener\">\u57fa\u672c\u3078\u5e30\u308d\u3046<\/a>\u3088\u308a<\/figcaption><\/figure>\n\n\n\n<p>MX\u306f\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e\u3067\u3059\u3002MX\u30ec\u30b3\u30fc\u30c9\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u307e\u3059\u3002<br>10\u306f\u30d7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3059\u3002\u512a\u5148\u5ea6\u3092\u8868\u3057\u3066\u307e\u3059\u3002\u5c0f\u3055\u3044\u6570\u5b57\u307b\u3069\u512a\u5148\u3055\u308c\u307e\u3059\u3002<br>mail-in.\uff58\uff58\uff58.com \u306f\u5bfe\u5fdc\u3059\u308b\u5024\u3067\u3059\u3002\uff58\uff58\uff58\uff58\uff58\u304c\u6765\u305f\u3089\u3001mail-in.\uff58\uff58\uff58.com\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">A\u30ec\u30b3\u30fc\u30c9<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\uff58\uff58\uff58 300 IN A 1.1.1.1\r<\/code><\/pre>\n\n\n\n<p>\uff58\uff58\uff58\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u3059\u3002<br>300\u306fTTL\u3067\u3059\u3002\u8868\u793a\u306f\u79d2\u3000\u3089\u3057\u3044\u3067\u3059\u3002DNS\u30ec\u30b3\u30fc\u30c9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u6642\u9593\u3067\u3059\u3002\u3053\u306e\u5024\u306f\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u307f\u305f\u3044\u306a\u306e\u3067\u3001\u5fc5\u9808\u3067\u306f\u306a\u3044\u3088\u3046\u3067\u3059\u3002<br>IN\u306fClass\u3067\u3059\u3002<br>A\u306f\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e\u3067\u3059\u3002A\u30ec\u30b3\u30fc\u30c9\u3067\u3042\u308b\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<br>1.1.1.1\u306f\u5bfe\u5fdc\u3059\u308b\u5024\u3067\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Whois \u7cfb\u30b5\u30fc\u30d3\u30b9<\/h2>\n\n\n\n<p><a href=\"https:\/\/dnsdumpster.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/dnsdumpster.com\/<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNS\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u7a2e\u985e \u8a73\u7d30\u306f\u3053\u3061\u3089\u3078 \u30ec\u30b3\u30fc\u30c9TYPE \u610f\u5473 \u5099\u8003 A\u30ec\u30b3\u30fc\u30c9 \u30db\u30b9\u30c8\u540d(URL\/FQDN)\u3068IP\uff564\u306eIP\u30a2\u30c9\u30ec\u30b9\u306e\u95a2\u9023\u3065\u3051 MX\u30ec\u30b3\u30fc\u30c9\u3001CNAME\u30ec\u30b3\u30fc\u30c9\u3001NS\u30ec\u30b3\u30fc\u30c9\u306e\u8a2d\u5b9a\u306b\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u5404\u30ec\u30b3\u30fc\u30c9\u306eVALUE(I[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[13],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p53nwf-4O5","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=\/wp\/v2\/posts\/18481"}],"collection":[{"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18481"}],"version-history":[{"count":10,"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=\/wp\/v2\/posts\/18481\/revisions"}],"predecessor-version":[{"id":18521,"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=\/wp\/v2\/posts\/18481\/revisions\/18521"}],"wp:attachment":[{"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xn--4gqynm0cew8m.asia\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}