{"id":26722,"date":"2025-11-04T14:18:45","date_gmt":"2025-11-04T06:18:45","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/why-smart-dns-returns-different-ips-than-actual-server-ips\/"},"modified":"2025-11-04T14:22:03","modified_gmt":"2025-11-04T06:22:03","slug":"why-smart-dns-returns-different-ips-than-actual-server-ips","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/why-smart-dns-returns-different-ips-than-actual-server-ips\/","title":{"rendered":"\u667a\u6167\u578bDNS\u70ba\u4f55\u56de\u50b3\u8207\u5be6\u969b\u4f3a\u670d\u5668IP\u4e0d\u540c\u7684IP\u4f4d\u5740"},"content":{"rendered":"<p>\u5728\u73fe\u4ee3<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/us\/cn2\" target=\"_blank\">\u7f8e\u570b\u4f3a\u670d\u5668<\/a>\u57fa\u790e\u8a2d\u65bd\u7684\u8907\u96dc\u74b0\u5883\u4e2d\uff0c\u667a\u6167\u578b<a href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/how-to-fix-dns-not-responding-on-us-servers\/\" target=\"_blank\">DNS<\/a>\u6280\u8853\u5728\u6700\u4f73\u5316\u5167\u5bb9\u5206\u767c\u548c\u78ba\u4fdd\u9ad8\u53ef\u7528\u6027\u65b9\u9762\u767c\u63ee\u8457\u95dc\u9375\u4f5c\u7528\u3002\u7136\u800c\uff0c\u6280\u8853\u5c08\u696d\u4eba\u54e1\u7d93\u5e38\u9047\u5230\u667a\u6167\u578bDNS\u56de\u50b3\u7684IP\u4f4d\u5740\u8207\u5be6\u969b\u4f3a\u670d\u5668IP\u4e0d\u540c\u7684\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u6df1\u5165\u5206\u6790\u9019\u4e00\u73fe\u8c61\u80cc\u5f8c\u7684\u57fa\u672c\u6a5f\u5236\u548c\u6280\u8853\u5c64\u9762\u3002<\/p>\n<h2><strong>\u7406\u89e3\u667a\u6167\u578bDNS\uff1a\u8d85\u8d8a\u57fa\u672c\u89e3\u6790<\/strong><\/h2>\n<p>\u667a\u6167\u578bDNS\u4ee3\u8868\u4e86\u50b3\u7d71DNS\u7cfb\u7d71\u7684\u9032\u5316\uff0c\u5b83\u6574\u5408\u4e86\u5148\u9032\u7684\u6f14\u7b97\u6cd5\u548c\u8def\u7531\u6c7a\u7b56\u3002\u8207\u50c5\u50c5\u5c07\u57df\u540d\u6620\u5c04\u5230IP\u4f4d\u5740\u7684\u50b3\u7d71DNS\u4e0d\u540c\uff0c\u667a\u6167\u578bDNS\u63a1\u7528\u8907\u96dc\u7684\u908f\u8f2f\u4f86\u78ba\u5b9a\u6bcf\u500b\u8acb\u6c42\u7684\u6700\u4f73\u4f3a\u670d\u5668\u3002<\/p>\n<ul>\n<li>\u5373\u6642\u6d41\u91cf\u5206\u6790\u548c\u8def\u7531\u6700\u4f73\u5316<\/li>\n<li>\u5730\u7406\u8ddd\u96e2\u8a08\u7b97<\/li>\n<li>\u7db2\u8def\u6548\u80fd\u6307\u6a19\u8a55\u4f30<\/li>\n<li>\u4f3a\u670d\u5668\u53e2\u96c6\u9593\u7684\u8ca0\u8f09\u5206\u914d<\/li>\n<\/ul>\n<h2><strong>IP\u5dee\u7570\u7684\u4e3b\u8981\u539f\u56e0<\/strong><\/h2>\n<p>DNS\u56de\u50b3IP\u8207\u5be6\u969b\u4f3a\u670d\u5668IP\u4e4b\u9593\u7684\u5dee\u7570\u6e90\u65bc\u591a\u500b\u6280\u8853\u5be6\u73fe\uff1a<\/p>\n<ol>\n<li>CDN\u6574\u5408\uff1a\n<ul>\n<li>\u908a\u7de3\u4f3a\u670d\u5668\u5206\u5e03<\/li>\n<li>\u52d5\u614b\u8cc7\u6e90\u5206\u914d<\/li>\n<li>\u5feb\u53d6\u6700\u4f73\u5316\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<li>\u8ca0\u8f09\u5e73\u8861\u6a5f\u5236\uff1a\n<ul>\n<li>\u8f2a\u8a62\u5206\u914d<\/li>\n<li>\u52a0\u6b0a\u4f3a\u670d\u5668\u9078\u64c7<\/li>\n<li>\u57fa\u65bc\u5065\u5eb7\u6aa2\u67e5\u7684\u8def\u7531<\/li>\n<\/ul>\n<\/li>\n<li>\u5730\u7406\u5206\u5e03\uff1a\n<ul>\n<li>\u57fa\u65bc\u5ef6\u9072\u7684\u8def\u7531<\/li>\n<li>\u5340\u57df\u6d41\u91cf\u7ba1\u7406<\/li>\n<li>ISP\u611f\u77e5\u7684\u5206\u767c\u6700\u4f73\u5316<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u6280\u8853\u5206\u6790\uff1aCDN\u67b6\u69cb\u5f71\u97ff<\/strong><\/h2>\n<p>\u5167\u5bb9\u5206\u767c\u7db2\u8def\u901a\u904e\u8907\u96dc\u7684\u908a\u7de3\u904b\u7b97\u6a5f\u5236\u5f9e\u6839\u672c\u4e0a\u6539\u8b8a\u4e86\u50b3\u7d71\u7684\u5ba2\u6236\u7aef-\u4f3a\u670d\u5668\u95dc\u4fc2\u3002IP\u5dee\u7570\u901a\u5e38\u662fCDN\u5206\u6563\u5f0f\u67b6\u69cb\u7684\u76f4\u63a5\u7d50\u679c\uff1a<\/p>\n<ul>\n<li>\u908a\u7de3\u7bc0\u9ede\u5206\u5e03\uff1a\n<ul>\n<li>\u57fa\u65bc\u7db2\u8def\u62d3\u64b2\u7684\u81ea\u52d5\u4f3a\u670d\u5668\u9078\u64c7<\/li>\n<li>\u8de8\u5b58\u5728\u9ede\uff08PoPs\uff09\u7684\u52d5\u614b\u5167\u5bb9\u8907\u88fd<\/li>\n<li>\u901a\u904e\u4efb\u64ad\u5354\u5b9a\u7684\u667a\u6167\u8acb\u6c42\u8def\u7531<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u7576\u5ba2\u6236\u7aef\u67e5\u8a62\u6574\u5408\u4e86CDN\u7684\u667a\u6167\u578bDNS\u7cfb\u7d71\u6642\uff0c\u89e3\u6790\u904e\u7a0b\u6d89\u53ca\u591a\u5c64\u6c7a\u7b56\u6f14\u7b97\u6cd5\uff1a<\/p>\n<ol>\n<li>\u521d\u59cbDNS\u67e5\u8a62\u5230\u9054\u6b0a\u5a01\u540d\u7a31\u4f3a\u670d\u5668<\/li>\n<li>CDN\u7684DNS\u57fa\u790e\u8a2d\u65bd\u8a55\u4f30\uff1a\n<ul>\n<li>\u5ba2\u6236\u7aef\u7684\u5730\u7406\u4f4d\u7f6e<\/li>\n<li>\u7576\u524d\u7db2\u8def\u72c0\u6cc1<\/li>\n<li>\u4f3a\u670d\u5668\u5065\u5eb7\u6307\u6a19<\/li>\n<li>\u908a\u7de3\u4f4d\u7f6e\u7684\u5167\u5bb9\u53ef\u7528\u6027<\/li>\n<\/ul>\n<\/li>\n<li>\u57fa\u65bc\u7d9c\u5408\u8a55\u5206\u7684\u6700\u512a\u908a\u7de3\u4f3a\u670d\u5668\u9078\u64c7<\/li>\n<\/ol>\n<h2><strong>\u8ca0\u8f09\u5e73\u8861\uff1a\u8d85\u8d8a\u7c21\u55ae\u5206\u914d<\/strong><\/h2>\n<p>\u73fe\u4ee3\u8ca0\u8f09\u5e73\u8861\u5be6\u73fe\u986f\u8457\u4fc3\u6210\u4e86IP\u4f4d\u5740\u7684\u8b8a\u5316\u3002\u7cfb\u7d71\u63a1\u7528\u8907\u96dc\u7684\u6f14\u7b97\u6cd5\u4f86\u78ba\u4fdd\u6700\u4f73\u8cc7\u6e90\u5229\u7528\uff1a<\/p>\n<ul>\n<li>\u5168\u57df\u4f3a\u670d\u5668\u8ca0\u8f09\u5e73\u8861\uff08GSLB\uff09\uff1a\n<ul>\n<li>\u8de8\u8cc7\u6599\u4e2d\u5fc3\u6d41\u91cf\u5206\u914d<\/li>\n<li>\u81ea\u52d5\u6545\u969c\u8f49\u79fb\u6a5f\u5236<\/li>\n<li>\u5de5\u4f5c\u968e\u6bb5\u6301\u4e45\u6027\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n<li>\u5065\u5eb7\u76e3\u63a7\u7cfb\u7d71\uff1a\n<ul>\n<li>\u5373\u6642\u4f3a\u670d\u5668\u5bb9\u91cf\u5206\u6790<\/li>\n<li>\u7db2\u8def\u8def\u5f91\u6700\u4f73\u5316<\/li>\n<li>\u6548\u80fd\u6307\u6a19\u8ffd\u8e64<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u5730\u7406\u5206\u5e03\u548c\u7db2\u8def\u62d3\u64b2<\/strong><\/h2>\n<p>\u5be6\u9ad4\u57fa\u790e\u8a2d\u65bd\u5e03\u5c40\u5728IP\u89e3\u6790\u8b8a\u5316\u4e2d\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\u3002\u8003\u616e\u4ee5\u4e0b\u6280\u8853\u65b9\u9762\uff1a<\/p>\n<ol>\n<li>\u81ea\u6cbb\u7cfb\u7d71\uff08AS\uff09\u8def\u5f91\u9078\u64c7\uff1a\n<ul>\n<li>BGP\u8def\u7531\u6700\u4f73\u5316<\/li>\n<li>AS\u8def\u5f91\u9577\u5ea6\u8003\u616e<\/li>\n<li>AS\u9593\u95dc\u4fc2\u8a55\u4f30<\/li>\n<\/ul>\n<\/li>\n<li>\u5340\u57df\u6d41\u91cf\u7ba1\u7406\uff1a\n<ul>\n<li>\u672c\u5730ISP\u5c0d\u7b49\u5b89\u6392<\/li>\n<li>\u5340\u57df\u983b\u5bec\u6700\u4f73\u5316<\/li>\n<li>\u6d41\u91cf\u6574\u5f62\u7b56\u7565<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u5be6\u969b\u5be6\u73fe\u5206\u6790<\/strong><\/h2>\n<p>\u8b93\u6211\u5011\u6aa2\u67e5\u4e00\u500b\u5178\u578b\u7684\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u8a2d\u7f6e\uff0c\u5176\u4e2d\u667a\u6167\u578bDNS\u5be6\u73fe\u5c0e\u81f4IP\u8b8a\u5316\uff1a<\/p>\n<pre class=\"code\">\r\ndig example.com @8.8.8.8\r\n;; ANSWER SECTION:\r\nexample.com.    300    IN    A    203.0.113.10\r\n;; \u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\uff1a\r\nexample.com.    300    IN    A    203.0.113.50\r\n<\/pre>\n<p>\u9019\u7a2e\u5dee\u7570\u53ef\u6b78\u56e0\u65bc\u5e7e\u500b\u6280\u8853\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li>TTL\uff08\u5b58\u6d3b\u6642\u9593\uff09\u914d\u7f6e\uff1a\n<ul>\n<li>\u52d5\u614b\u8def\u7531\u7684\u77edTTL\u503c\uff08300-900\u79d2\uff09<\/li>\n<li>\u57fa\u65bc\u8a18\u9304\u985e\u578b\u7684\u53ef\u8b8aTTL<\/li>\n<li>\u4e8b\u6545\u671f\u9593\u7684\u7dca\u6025TTL\u8abf\u6574<\/li>\n<\/ul>\n<\/li>\n<li>\u89e3\u6790\u8def\u5f91\u5206\u6790\uff1a\n<ul>\n<li>DNS\u905e\u8ff4\u6a21\u5f0f<\/li>\n<li>CNAME\u93c8\u6700\u4f73\u5316<\/li>\n<li>EDNS\u5ba2\u6236\u7aef\u5b50\u7db2\uff08ECS\uff09\u5be6\u73fe<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u6548\u80fd\u6700\u4f73\u5316\u7b56\u7565<\/strong><\/h2>\n<p>\u70ba\u7372\u5f97\u6700\u4f73\u4f3a\u670d\u5668\u56de\u61c9\u6642\u9593\u548c\u53ef\u9760\u6027\uff0c\u5be6\u65bd\u4ee5\u4e0b\u6280\u8853\u914d\u7f6e\uff1a<\/p>\n<ol>\n<li>DNS\u914d\u7f6e\u6700\u4f73\u5be6\u8e10\uff1a\n<ul>\n<li>\u5be6\u65bdDNSSEC\u4ee5\u78ba\u4fdd\u5b89\u5168<\/li>\n<li>\u914d\u7f6e\u9069\u7576\u7684TTL\u503c<\/li>\n<li>\u8a2d\u7f6e\u6b63\u78ba\u7684DNS\u8a18\u9304\u5c64\u6b21\u7d50\u69cb<\/li>\n<\/ul>\n<\/li>\n<li>\u76e3\u63a7\u548c\u6545\u969c\u6392\u9664\uff1a\n<ul>\n<li>\u90e8\u7f72DNS\u67e5\u8a62\u65e5\u8a8c<\/li>\n<li>\u5be6\u65bd\u5373\u6642\u6307\u6a19\u6536\u96c6<\/li>\n<li>\u5efa\u7acb\u8b66\u5831\u95be\u503c<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u6280\u8853\u5e38\u898b\u554f\u984c\u8207\u89e3\u6c7a\u65b9\u6848<\/strong><\/h2>\n<p>\u95dc\u65bcIP\u5dee\u7570\u7684\u5e38\u898b\u6280\u8853\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u554f\uff1a\u5982\u4f55\u9a57\u8b49\u5be6\u969b\u4f3a\u670d\u5668IP\uff1f\n<ul>\n<li>\u4f7f\u7528traceroute\u5206\u6790<\/li>\n<li>\u5be6\u65bdMTR\u9032\u884c\u8a73\u7d30\u8def\u5f91\u6aa2\u67e5<\/li>\n<li>\u90e8\u7f72\u7d42\u7aef\u76e3\u63a7\u5de5\u5177<\/li>\n<\/ul>\n<\/li>\n<li>\u554f\uff1a\u5982\u4f55\u7ba1\u7406\u5340\u57dfIP\u8b8a\u5316\uff1f\n<ul>\n<li>\u914d\u7f6eGeoDNS\u7b56\u7565<\/li>\n<li>\u5be6\u65bd\u4efb\u64ad\u5b9a\u5740<\/li>\n<li>\u90e8\u7f72\u5340\u57df\u5065\u5eb7\u6aa2\u67e5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><strong>\u7d50\u8ad6\u548c\u672a\u4f86\u767c\u5c55<\/strong><\/h2>\n<p>\u7406\u89e3\u667a\u6167\u578bDNS\u548cIP\u89e3\u6790\u8b8a\u5316\u7684\u6280\u8853\u5c64\u9762\u5c0d\u73fe\u4ee3\u4f3a\u670d\u5668\u79df\u7528\u548c\u4f3a\u670d\u5668\u8a17\u7ba1\u57fa\u790e\u8a2d\u65bd\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u908a\u7de3\u904b\u7b97\u548c\u5206\u6563\u5f0f\u7cfb\u7d71\u7684\u4e0d\u65b7\u767c\u5c55\uff0cDNS\u89e3\u6790\u6a5f\u5236\u548cIP\u5206\u914d\u7b56\u7565\u5c07\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002\u4e86\u89e3\u9019\u4e9b\u6280\u8853\u7d30\u7bc0\u53ef\u78ba\u4fdd\u60a8\u7684\u57fa\u790e\u8a2d\u65bd\u90e8\u7f72\u7372\u5f97\u6700\u4f73\u4f3a\u670d\u5668\u6548\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5c0d\u65bc\u4f7f\u7528\u667a\u6167\u578bDNS\u7cfb\u7d71\u7684\u7cfb\u7d71\u7ba1\u7406\u54e1\u548c\u7db2\u8def\u5de5\u7a0b\u5e2b\u800c\u8a00\uff0c\u6301\u7e8c\u95dc\u6ce8DNS\u6280\u8853\u3001CDN\u5be6\u73fe\u548c\u8ca0\u8f09\u5e73\u8861\u7b56\u7565\u7684\u6700\u65b0\u767c\u5c55\u5c0d\u7dad\u8b77\u5065\u5168\u7684\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\u4ecd\u7136\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u73fe\u4ee3\u7f8e\u570b\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\u7684\u8907\u96dc\u74b0\u5883\u4e2d\uff0c\u667a\u6167\u578bDNS\u6280\u8853\u5728\u6700\u4f73\u5316\u5167\u5bb9\u5206\u767c\u548c\u78ba\u4fdd\u9ad8\u53ef\u7528\u6027\u65b9\u9762\u767c\u63ee\u8457\u95dc\u9375\u4f5c\u7528\u3002\u7136\u800c\uff0c [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/why-smart-dns-returns-different-ips-than-actual-server-ips\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":11,"featured_media":26719,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[268],"tags":[],"class_list":["post-26722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u667a\u6167\u578bDNS\u70ba\u4f55\u56de\u50b3\u8207\u5be6\u969b\u4f3a\u670d\u5668IP\u4e0d\u540c\u7684IP\u4f4d\u5740<\/title>\n<meta name=\"description\" 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