{"id":4136,"date":"2025-10-17T15:57:47","date_gmt":"2025-10-17T06:57:47","guid":{"rendered":"https:\/\/www.yilus5.com\/blog\/?p=4136"},"modified":"2025-10-17T15:57:49","modified_gmt":"2025-10-17T06:57:49","slug":"dns%e8%ae%b0%e5%bd%95%e5%85%a8%e7%90%83%e7%94%9f%e6%95%88%e5%a4%aa%e6%85%a2%ef%bc%9f%e6%9b%b4%e6%8d%a2%e9%80%92%e5%bd%92%e8%a7%a3%e6%9e%90%e5%99%a8%e5%b9%b6%e8%b0%83%e6%95%b4ttl%e8%83%bd%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/www.yilus5.com\/blog\/4136.html","title":{"rendered":"DNS\u8bb0\u5f55\u5168\u7403\u751f\u6548\u592a\u6162\uff1f\u66f4\u6362\u9012\u5f52\u89e3\u6790\u5668\u5e76\u8c03\u6574TTL\u80fd\u52a0\u5feb\u540c\u6b65"},"content":{"rendered":"\n<p>\u201c\u6211\u4eec\u65e9\u4e0a\u6539\u7684CNAME\uff0c\u600e\u4e48\u665a\u4e0a\u5317\u7f8e\u8fd8\u6ca1\u751f\u6548\uff1f\u201d\u2014\u2014\u51e0\u4e4e\u6bcf\u4e00\u5bb6\u8de8\u5883\u4f01\u4e1a\u3001\u5e7f\u544a\u8054\u76df\u6216\u5168\u7403\u7ad9\u70b9\u8fd0\u7ef4\uff0c\u90fd\u66fe\u53d1\u51fa\u8fc7\u7c7b\u4f3c\u62b1\u6028\u3002<br>DNS\u89e3\u6790\u5ef6\u8fdf\u770b\u4f3c\u5c0f\u4e8b\uff0c\u5374\u8db3\u4ee5\u8ba9\u6574\u5957\u6d41\u91cf\u4f53\u7cfb\u201c\u8dd1\u504f\u201d\uff1a\u5e7f\u544a\u8ffd\u8e2a\u6570\u636e\u5bf9\u4e0d\u4e0a\u3001API\u63a5\u53e3\u6307\u5411\u65e7\u8282\u70b9\u3001\u7528\u6237\u8bbf\u95ee\u6162\u534a\u62cd\u3002<\/p>\n\n\n\n<p>\u4e8b\u5b9e\u4e0a\uff0cDNS\u751f\u6548\u6162\u7684\u6839\u6e90\u5e76\u975e\u57df\u540d\u5546\u7684\u95ee\u9898\uff0c\u800c\u662f<strong>\u9012\u5f52\u89e3\u6790\u5668\u7f13\u5b58\u673a\u5236\u4e0eTTL\u7b56\u7565<\/strong>\u5171\u540c\u4f5c\u7528\u7684\u7ed3\u679c\u3002<br>\u5982\u679c\u4f60\u6b63\u88ab\u201c\u4fee\u6539\u4e86\u57df\u540d\u5374\u8fdf\u8fdf\u4e0d\u751f\u6548\u201d\u56f0\u6270\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4f1a\u544a\u8bc9\u4f60\uff0c\u5982\u4f55\u901a\u8fc7<strong>\u66f4\u6362\u89e3\u6790\u5668\u4e0e\u8c03\u6574TTL<\/strong>\uff0c\u8ba9\u4f60\u7684DNS\u5237\u65b0\u901f\u5ea6\u63d0\u5347\u6570\u500d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u4e3a\u4ec0\u4e48DNS\u751f\u6548\u8fd9\u4e48\u6162<\/h2>\n\n\n\n<p>DNS\u7684\u4f20\u64ad\u901f\u5ea6\u53d6\u51b3\u4e8e\u591a\u4e2a\u73af\u8282\uff0c\u800c\u6700\u5173\u952e\u7684\u4e24\u4e2a\u53d8\u91cf\u662f\uff1a<strong>\u9012\u5f52\u89e3\u6790\u5668<\/strong>\u548c<strong>\u7f13\u5b58\u751f\u547d\u5468\u671f\uff08TTL\uff09<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u9012\u5f52\u89e3\u6790\u5668\u7684\u201c\u4e2d\u4ecb\u6548\u5e94\u201d<\/h3>\n\n\n\n<p>\u5f53\u4f60\u8bbf\u95ee\u4e00\u4e2a\u7f51\u7ad9\u65f6\uff0c\u672c\u5730\u8bbe\u5907\u5e76\u4e0d\u4f1a\u76f4\u63a5\u53bb\u6743\u5a01DNS\u670d\u52a1\u5668\u67e5\u8be2\uff0c\u800c\u662f\u5148\u901a\u8fc7\u9012\u5f52\u89e3\u6790\u5668\uff08\u5982ISP\u7684DNS\uff09\u8bf7\u6c42\u7ed3\u679c\u3002<br>\u95ee\u9898\u662f\uff0c\u4e0d\u540c\u5730\u533a\u3001\u4e0d\u540c\u8fd0\u8425\u5546\u7684\u9012\u5f52\u670d\u52a1\u5668\u7f13\u5b58\u65f6\u95f4\u5404\u4e0d\u76f8\u540c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6709\u4e9bISP\u7f13\u5b58\u9ad8\u8fbe24\u5c0f\u65f6\uff1b<\/li>\n\n\n\n<li>\u6709\u4e9b\u516c\u5171DNS\u4ec5\u7f13\u5b585\u5206\u949f\u3002<br>\u8fd9\u610f\u5473\u7740\u540c\u4e00\u6761\u8bb0\u5f55\u5728\u5168\u7403\u8303\u56f4\u7684\u201c\u5237\u65b0\u8282\u594f\u201d\u5b8c\u5168\u4e0d\u540c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e3e\u4e2a\u771f\u5b9e\u6848\u4f8b\uff1a<br>\u4e00\u5bb6\u8de8\u5883\u652f\u4ed8\u516c\u53f8\u4fee\u6539\u4e86\u5176API\u7f51\u5173\u7684A\u8bb0\u5f55\u3002\u56fd\u5185\u5f88\u5feb\u66f4\u65b0\uff0c\u4f46\u6b27\u6d32\u4ecd\u65e7\u6307\u5411\u65e7IP\uff0c\u5bfc\u81f4\u90e8\u5206\u8bf7\u6c42\u843d\u5165\u5df2\u4e0b\u7ebf\u8282\u70b9\u3002<br>\u4ed6\u4eec\u540e\u6765\u6539\u7528Cloudflare DNS + Google Public DNS\uff088.8.8.8\uff09\uff0c\u5237\u65b0\u65f6\u95f4\u4ece6\u5c0f\u65f6\u7f29\u77ed\u523020\u5206\u949f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. TTL\u8bbe\u7f6e\u4e0d\u5f53<\/h3>\n\n\n\n<p>TTL\uff08Time To Live\uff09\u5b9a\u4e49\u4e86DNS\u8bb0\u5f55\u5728\u7f13\u5b58\u4e2d\u7684\u4fdd\u7559\u65f6\u95f4\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TTL\u8fc7\u9ad8\uff08\u598286400\u79d2\uff09\u4f1a\u9020\u6210\u65e7\u8bb0\u5f55\u201c\u7c98\u4f4f\u201d\u4e0d\u66f4\u65b0\u3002<\/li>\n\n\n\n<li>TTL\u8fc7\u4f4e\uff08\u598230\u79d2\uff09\u5219\u4f1a\u9020\u6210\u9891\u7e41\u67e5\u8be2\u3001\u5ef6\u8fdf\u589e\u52a0\u3002<br>\u6700\u4f73\u505a\u6cd5\u662f\u5728\u4fee\u6539\u524d\u4e34\u65f6\u964d\u4f4eTTL\u81f3300\u79d2\uff0c\u5f85\u5168\u7403\u540c\u6b65\u540e\u518d\u8c03\u56de\u5e38\u89c4\u503c\uff08\u5efa\u8bae3600\u79d2\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8de8\u533aDNS\u540c\u6b65\u5ef6\u8fdf<\/h3>\n\n\n\n<p>\u67d0\u4e9b\u533a\u57df\uff08\u5c24\u5176\u662f\u975e\u4e3b\u6d41\u5e02\u573a\uff0c\u5982\u4e2d\u4e1c\u3001\u5357\u7f8e\uff09\u7684\u9012\u5f52\u8282\u70b9\u66f4\u65b0\u9891\u7387\u8f83\u4f4e\u3002<br>\u5982\u679c\u6ca1\u6709\u5c31\u8fd1DNS\u4e2d\u7ee7\u6216\u52a0\u901f\u673a\u5236\uff0c\u8fd9\u4e9b\u8282\u70b9\u53ef\u80fd\u5728\u6570\u5c0f\u65f6\u5185\u4ecd\u65e7\u6301\u6709\u65e7\u7f13\u5b58\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u9012\u5f52\u89e3\u6790\u5668\u7684\u9009\u62e9\u5f71\u54cd\u5168\u7403\u901f\u5ea6<\/h2>\n\n\n\n<p>DNS\u89e3\u6790\u901f\u5ea6\u7684\u9ad8\u4f4e\uff0c\u5f80\u5f80\u53d6\u51b3\u4e8e\u9012\u5f52\u670d\u52a1\u5668\u7684\u6027\u80fd\u4e0e\u5730\u7406\u8986\u76d6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u670d\u52a1\u5546<\/th><th>\u89e3\u6790\u8282\u70b9\u8986\u76d6<\/th><th>\u5e73\u5747\u5237\u65b0\u5ef6\u8fdf<\/th><th>\u7a33\u5b9a\u6027\u8bc4\u5206<\/th><\/tr><\/thead><tbody><tr><td>Google DNS (8.8.8.8)<\/td><td>\u5168\u7403 200+ \u8282\u70b9<\/td><td>\u2605\u2605\u2606\u2606\u2606 (\u5feb)<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><\/tr><tr><td>Cloudflare (1.1.1.1)<\/td><td>\u5168\u7403 300+ \u8282\u70b9<\/td><td>\u2605\u2605\u2605\u2605\u2605 (\u6781\u5feb)<\/td><td>\u2605\u2605\u2605\u2605\u2605<\/td><\/tr><tr><td>OpenDNS<\/td><td>\u5317\u7f8e\u3001\u6b27\u6d32\u4f18<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><\/tr><tr><td>ISP \u672c\u5730DNS<\/td><td>\u5730\u533a\u5c40\u9650<\/td><td>\u2605\u2606\u2606\u2606\u2606 (\u6162)<\/td><td>\u2605\u2605\u2606\u2606\u2606<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u8de8\u5883\u4f01\u4e1a\u800c\u8a00\uff0c<strong>\u4f7f\u7528\u516c\u5171\u9012\u5f52\u89e3\u6790\u5668\u51e0\u4e4e\u662f\u5fc5\u987b\u52a8\u4f5c<\/strong>\u3002<br>\u7279\u522b\u662f\u5f53\u4f60\u7684\u4e1a\u52a1\u4f9d\u8d56\u5e7f\u544a\u8ffd\u8e2a\u3001API\u56de\u8c03\u6216CDN\u8c03\u5ea6\u65f6\uff0cDNS\u5ef6\u8fdf\u76f4\u63a5\u7b49\u4e8e\u91d1\u94b1\u635f\u5931\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001TTL\u7684\u8bbe\u8ba1\u54f2\u5b66\uff1a\u5feb\u4e0e\u7a33\u7684\u5e73\u8861<\/h2>\n\n\n\n<p>\u5f88\u591a\u4f01\u4e1a\u5728DNS\u914d\u7f6e\u4e2d\u5ffd\u89c6\u4e86TTL\u7684\u6218\u7565\u610f\u4e49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4e34\u65f6\u53d8\u66f4\u9636\u6bb5\uff1a\u4f4eTTL\uff08300\u79d2\uff09<\/h3>\n\n\n\n<p>\u9002\u7528\u4e8e\uff1a\u65b0\u7248\u672c\u53d1\u5e03\u3001\u4e34\u65f6\u8fc1\u79fb\u3001\u5207\u6362CDN\u8282\u70b9\u7b49\u573a\u666f\u3002<br>\u4f18\u70b9\uff1a\u5168\u7403\u4f20\u64ad\u5feb\uff1b\u7f3a\u70b9\uff1a\u67e5\u8be2\u9891\u7e41\u3001\u8bf7\u6c42\u91cf\u589e\u5927\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7a33\u5b9a\u8fd0\u8425\u9636\u6bb5\uff1a\u4e2dTTL\uff081800-3600\u79d2\uff09<\/h3>\n\n\n\n<p>\u9002\u7528\u4e8e\uff1a\u5e38\u89c4\u4e1a\u52a1\u3001\u7a33\u5b9a\u57df\u540d\u3002<br>\u4f18\u70b9\uff1a\u67e5\u8be2\u91cf\u4f4e\uff0cCDN\u7f13\u5b58\u6548\u7387\u9ad8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u9ad8\u6d41\u91cf\u5206\u53d1\u573a\u666f\uff1a\u9ad8TTL\uff087200\u79d2\u4ee5\u4e0a\uff09<\/h3>\n\n\n\n<p>\u9002\u7528\u4e8e\uff1a\u9759\u6001\u8d44\u6e90\u5206\u53d1\u3001\u5e7f\u544a\u6295\u653e\u8df3\u8f6c\u57df\u3002<br>\u9ad8TTL\u53ef\u51cf\u8f7b\u89e3\u6790\u538b\u529b\uff0c\u4f46\u66f4\u65b0\u5468\u671f\u5fc5\u987b\u63d0\u524d\u89c4\u5212\u3002<\/p>\n\n\n\n<p>\u2705 <strong>\u4e13\u4e1a\u5efa\u8bae<\/strong>\uff1a<br>\u6613\u8def\u4ee3\u7406\u5efa\u8bae\u4f01\u4e1a\u5728\u5168\u7403\u53d1\u5e03\u524d\uff0c\u5c06\u4e3b\u8981\u4e1a\u52a1\u57df\u540d\u7684TTL\u964d\u4f4e\u81f3300\u79d2\uff0c\u5728\u786e\u8ba4\u6240\u6709\u5730\u533a\u66f4\u65b0\u5b8c\u6210\u540e\uff0c\u518d\u9010\u6b65\u6062\u590d\u5e38\u503c\u3002<br>\u8fd9\u6837\u80fd\u5728\u4e0d\u589e\u52a0\u67e5\u8be2\u6210\u672c\u7684\u524d\u63d0\u4e0b\uff0c\u52a0\u5feb\u9996\u8f6e\u540c\u6b65\u901f\u5ea6\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.yilus5.com\/blog\/wp-content\/uploads\/0b532ef4-1bb6-4c87-a4af-c1d766a4de75.jpg\" alt=\"\" class=\"wp-image-4137\" style=\"width:628px;height:auto\" srcset=\"https:\/\/www.yilus5.com\/blog\/wp-content\/uploads\/0b532ef4-1bb6-4c87-a4af-c1d766a4de75.jpg 1024w, https:\/\/www.yilus5.com\/blog\/wp-content\/uploads\/0b532ef4-1bb6-4c87-a4af-c1d766a4de75-300x300.jpg 300w, https:\/\/www.yilus5.com\/blog\/wp-content\/uploads\/0b532ef4-1bb6-4c87-a4af-c1d766a4de75-150x150.jpg 150w, https:\/\/www.yilus5.com\/blog\/wp-content\/uploads\/0b532ef4-1bb6-4c87-a4af-c1d766a4de75-768x768.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 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