{"id":218825,"date":"2023-12-23T17:35:22","date_gmt":"2023-12-23T09:35:22","guid":{"rendered":"https:\/\/www.idc.net\/help\/218825\/"},"modified":"2023-12-23T17:35:22","modified_gmt":"2023-12-23T09:35:22","slug":"email%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e9%85%8d%e7%bd%aeptr%e8%ae%b0%e5%bd%95%e4%bb%a5%e8%bf%9b%e8%a1%8c%e5%8f%8d%e5%90%91dns%e6%9f%a5%e6%89%be","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/218825\/","title":{"rendered":"Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u914d\u7f6ePTR\u8bb0\u5f55\u4ee5\u8fdb\u884c\u53cd\u5411DNS\u67e5\u627e"},"content":{"rendered":"<p><title id=\"email%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e9%85%8d%e7%bd%aeptr%e8%ae%b0%e5%bd%95%e4%bb%a5%e8%bf%9b%e8%a1%8c%e5%8f%8d%e5%90%91dns%e6%9f%a5%e6%89%be-zXAEnIiHsK\">Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u914d\u7f6ePTR\u8bb0\u5f55\u4ee5\u8fdb\u884c\u53cd\u5411DNS\u67e5\u627e<\/title><\/p>\n<h1 id=\"email%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%85%a5%e9%97%a8%ef%bc%9a%e9%85%8d%e7%bd%aeptr%e8%ae%b0%e5%bd%95%e4%bb%a5%e8%bf%9b%e8%a1%8c%e5%8f%8d%e5%90%91dns%e6%9f%a5%e6%89%be-zXAEnIiHsK\">Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u914d\u7f6ePTR\u8bb0\u5f55\u4ee5\u8fdb\u884c\u53cd\u5411DNS\u67e5\u627e<\/h1>\n<p>\u5728\u914d\u7f6e\u548c\u7ba1\u7406\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u5668\u65f6\uff0c\u4e86\u89e3\u5982\u4f55\u914d\u7f6ePTR\u8bb0\u5f55\u4ee5\u8fdb\u884c\u53cd\u5411DNS\u67e5\u627e\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002PTR\u8bb0\u5f55\u662f\u6307\u6307\u9488\u8bb0\u5f55\uff0c\u5b83\u4e0eA\u8bb0\u5f55\u76f8\u5bf9\u5e94\uff0c\u7528\u4e8e\u5c06IP\u5730\u5740\u89e3\u6790\u4e3a\u4e3b\u673a\u540d\u3002\u53cd\u5411DNS\u67e5\u627e\u662f\u4e00\u79cd\u901a\u8fc7IP\u5730\u5740\u67e5\u627e\u4e3b\u673a\u540d\u7684\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u901a\u8fc7\u4e3b\u673a\u540d\u67e5\u627eIP\u5730\u5740\u3002<\/p>\n<h2 id=\"%e4%b8%ba%e4%bb%80%e4%b9%88%e9%9c%80%e8%a6%81%e9%85%8d%e7%bd%aeptr%e8%ae%b0%e5%bd%95%ef%bc%9f-zXAEnIiHsK\">\u4e3a\u4ec0\u4e48\u9700\u8981\u914d\u7f6ePTR\u8bb0\u5f55\uff1f<\/h2>\n<p>\u914d\u7f6ePTR\u8bb0\u5f55\u5bf9\u4e8e\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002\u5f53\u60a8\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u65f6\uff0c\u63a5\u6536\u670d\u52a1\u5668\u901a\u5e38\u4f1a\u6267\u884c\u53cd\u5411DNS\u67e5\u627e\u4ee5\u9a8c\u8bc1\u53d1\u9001\u670d\u52a1\u5668\u7684\u5408\u6cd5\u6027\u3002\u5982\u679c\u60a8\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u6ca1\u6709\u6b63\u786e\u914d\u7f6ePTR\u8bb0\u5f55\uff0c\u63a5\u6536\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u5c06\u60a8\u7684\u90ae\u4ef6\u6807\u8bb0\u4e3a\u5783\u573e\u90ae\u4ef6\u6216\u62d2\u7edd\u63a5\u6536\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%85%8d%e7%bd%aeptr%e8%ae%b0%e5%bd%95%ef%bc%9f-zXAEnIiHsK\">\u5982\u4f55\u914d\u7f6ePTR\u8bb0\u5f55\uff1f<\/h2>\n<p>\u8981\u914d\u7f6ePTR\u8bb0\u5f55\uff0c\u60a8\u9700\u8981\u8054\u7cfb\u60a8\u7684\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546\uff08ISP\uff09\u6216\u6258\u7ba1\u670d\u52a1\u63d0\u4f9b\u5546\uff08HSP\uff09\u3002\u4ed6\u4eec\u5c06\u4e3a\u60a8\u7684IP\u5730\u5740\u63d0\u4f9b\u53cd\u5411DNS\u67e5\u627e\u7684\u63a7\u5236\u6743\u3002\u4ee5\u4e0b\u662f\u914d\u7f6ePTR\u8bb0\u5f55\u7684\u4e00\u822c\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u8054\u7cfb\u60a8\u7684ISP\u6216HSP\uff0c\u5e76\u63d0\u4f9b\u60a8\u5e0c\u671b\u914d\u7f6ePTR\u8bb0\u5f55\u7684IP\u5730\u5740\u3002<\/li>\n<li>\u8bf7\u6c42\u4ed6\u4eec\u4e3a\u60a8\u7684IP\u5730\u5740\u914d\u7f6ePTR\u8bb0\u5f55\uff0c\u5e76\u63d0\u4f9b\u60a8\u5e0c\u671b\u4e0e\u8be5IP\u5730\u5740\u5173\u8054\u7684\u4e3b\u673a\u540d\u3002<\/li>\n<li>ISP\u6216HSP\u5c06\u5728\u5176DNS\u670d\u52a1\u5668\u4e0a\u914d\u7f6ePTR\u8bb0\u5f55\u3002<\/li>\n<li>\u7b49\u5f85DNS\u8bb0\u5f55\u7684\u4f20\u64ad\u3002\u8fd9\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff0c\u901a\u5e38\u5728\u51e0\u5c0f\u65f6\u5185\u5b8c\u6210\u3002<\/li>\n<li>\u9a8c\u8bc1PTR\u8bb0\u5f55\u662f\u5426\u6b63\u786e\u914d\u7f6e\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\uff08\u5982nslookup\u6216dig\uff09\u6765\u68c0\u67e5PTR\u8bb0\u5f55\u662f\u5426\u6b63\u786e\u89e3\u6790\u4e3a\u60a8\u63d0\u4f9b\u7684\u4e3b\u673a\u540d\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a0%81-zXAEnIiHsK\">\u793a\u4f8b\u4ee3\u7801<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\u7247\u6bb5\uff0c\u7528\u4e8e\u4f7f\u7528Python\u7f16\u7a0b\u8bed\u8a00\u68c0\u67e5PTR\u8bb0\u5f55\uff1a<\/p>\n<pre><code>\nimport socket\n\ndef get_ptr_record(ip_address):\n    try:\n        host = socket.gethostbyaddr(ip_address)\n        return host[0]\n    except socket.herror:\n        return None\n\nip_address = \"192.168.1.1\"\nptr_record = get_ptr_record(ip_address)\nif ptr_record:\n    print(f\"PTR record for {ip_address}: {ptr_record}\")\nelse:\n    print(f\"No PTR record found for {ip_address}\")\n<\/code><\/pre>\n<p>\u6b64\u4ee3\u7801\u7247\u6bb5\u4f7f\u7528socket\u6a21\u5757\u7684gethostbyaddr\u51fd\u6570\u6765\u83b7\u53d6\u7ed9\u5b9aIP\u5730\u5740\u7684PTR\u8bb0\u5f55\u3002\u5982\u679c\u627e\u5230PTR\u8bb0\u5f55\uff0c\u5219\u6253\u5370\u51fa\u8be5\u8bb0\u5f55\uff0c\u5426\u5219\u6253\u5370\u51fa\u672a\u627e\u5230\u8bb0\u5f55\u7684\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-zXAEnIiHsK\">\u603b\u7ed3<\/h2>\n<p>\u914d\u7f6ePTR\u8bb0\u5f55\u4ee5\u8fdb\u884c\u53cd\u5411DNS\u67e5\u627e\u5bf9\u4e8e\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u5668\u7684\u6b63\u5e38\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4e0eISP\u6216HSP\u8054\u7cfb\u5e76\u63d0\u4f9b\u6240\u9700\u7684\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u914d\u7f6ePTR\u8bb0\u5f55\u5e76\u786e\u4fdd\u60a8\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u80fd\u591f\u6210\u529f\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u3002\u8bf7\u8bb0\u4f4f\uff0cPTR\u8bb0\u5f55\u7684\u914d\u7f6e\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u6765\u4f20\u64ad\uff0c\u56e0\u6b64\u8bf7\u8010\u5fc3\u7b49\u5f85\u3002<\/p>\n<h3 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-zXAEnIiHsK\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u540e\u6d6a\u4e91\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u53ef\u6ee1\u8db3\u60a8\u7684\u5404\u79cd\u9700\u6c42\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u914d\u7f6ePTR\u8bb0\u5f55\u4ee5\u8fdb\u884c\u53cd\u5411DNS\u67e5\u627e Email\u670d\u52a1\u5668\u5165\u95e8\uff1a\u914d\u7f6ePTR\u8bb0\u5f55\u4ee5\u8fdb\u884c\u53cd\u5411DNS [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197853],"tags":[],"class_list":["post-218825","post","type-post","status-publish","format-standard","hentry","category-email"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/218825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=218825"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/218825\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=218825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=218825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=218825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}