{"id":476906,"date":"2023-08-09T09:05:02","date_gmt":"2023-08-09T09:05:02","guid":{"rendered":""},"modified":"2023-09-05T11:13:38","modified_gmt":"2023-09-05T11:13:38","slug":"dns-ns-record","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/dns-ns-record\/","title":{"rendered":"DNS NS \u8bb0\u5f55"},"content":{"rendered":"<p>DNS\uff08\u57df\u540d\u7cfb\u7edf\uff09NS \u8bb0\u5f55\u662f DNS \u57fa\u7840\u8bbe\u65bd\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u662f\u57df\u540d\u4e0e\u5176\u76f8\u5e94\u7684\u6743\u5a01\u540d\u79f0\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u91cd\u8981\u94fe\u63a5\u3002 NS \u4ee3\u8868\u201c\u540d\u79f0\u670d\u52a1\u5668\u201d\uff0c\u8fd9\u4e9b\u8bb0\u5f55\u5b9a\u4e49\u4e86\u54ea\u4e9b\u540d\u79f0\u670d\u52a1\u5668\u8d1f\u8d23\u5904\u7406\u7279\u5b9a\u57df\u7684 DNS \u67e5\u8be2\u3002\u5f53\u7528\u6237\u5728 Web \u6d4f\u89c8\u5668\u4e2d\u8f93\u5165\u57df\u540d\u65f6\uff0cDNS NS \u8bb0\u5f55\u6709\u52a9\u4e8e\u5c06\u8bf7\u6c42\u5b9a\u5411\u5230\u9002\u5f53\u7684\u540d\u79f0\u670d\u52a1\u5668\uff0c\u786e\u4fdd\u7528\u6237\u5230\u8fbe\u6258\u7ba1\u7f51\u7ad9\u7684\u6b63\u786e Web \u670d\u52a1\u5668\u3002<\/p>\n<h2>DNS NS \u8bb0\u5f55\u7684\u8d77\u6e90\u5386\u53f2\u53ca\u5176\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>\u57df\u540d\u7cfb\u7edf\u4e8e 20 \u4e16\u7eaa 80 \u5e74\u4ee3\u521d\u4f5c\u4e3a\u5206\u5e03\u5f0f\u547d\u540d\u7cfb\u7edf\u63a8\u51fa\uff0c\u65e8\u5728\u63d0\u4f9b\u4e00\u79cd\u66f4\u6613\u4e8e\u7406\u89e3\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u4e92\u8054\u7f51\u8d44\u6e90\u3002\u5728 DNS \u51fa\u73b0\u4e4b\u524d\uff0c\u9700\u8981\u7ef4\u62a4\u96c6\u4e2d\u5f0f HOSTS.TXT \u6587\u4ef6\uff0c\u4f46\u968f\u7740\u4e92\u8054\u7f51\u4e0a\u4e3b\u673a\u6570\u91cf\u7684\u589e\u52a0\uff0c\u5b83\u53d8\u5f97\u4e0d\u5207\u5b9e\u9645\u3002\u5206\u53d1\u8fd9\u4e9b\u4fe1\u606f\u548c\u907f\u514d\u5355\u70b9\u6545\u969c\u7684\u9700\u6c42\u5bfc\u81f4\u4e86 DNS \u7684\u53d1\u5c55\u3002<\/p>\n<p>\u4ee5 NS \u8bb0\u5f55\u4e3a\u4ee3\u8868\u7684\u6743\u5a01\u57df\u540d\u670d\u52a1\u5668\u7684\u6982\u5ff5\u662f\u5728 1987 \u5e74 11 \u6708\u53d1\u5e03\u7684 RFC 1034 \u548c RFC 1035 \u4e2d\u5f15\u5165\u7684\u3002\u8fd9\u4e9b\u6587\u4ef6\u6982\u8ff0\u4e86 DNS \u7cfb\u7edf\u7684\u67b6\u6784\u548c\u89c4\u8303\uff0c\u5305\u62ec NS \u8bb0\u5f55\u3002\u81ea DNS \u57fa\u7840\u8bbe\u65bd\u8bde\u751f\u4ee5\u6765\uff0cNS \u8bb0\u5f55\u4e00\u76f4\u662f DNS \u57fa\u7840\u8bbe\u65bd\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u5e76\u4e14\u4ecd\u7136\u662f\u4e92\u8054\u7f51\u8fd0\u884c\u7684\u57fa\u7840\u3002<\/p>\n<h2>\u6709\u5173 DNS NS \u8bb0\u5f55\u7684\u8be6\u7ec6\u4fe1\u606f \u2013 \u6269\u5c55\u4e3b\u9898 DNS NS \u8bb0\u5f55<\/h2>\n<p>DNS NS \u8bb0\u5f55\u5bf9\u4e8e\u5c06\u57df\u540d\u89e3\u6790\u5230\u76f8\u5e94\u7684 IP \u5730\u5740\u81f3\u5173\u91cd\u8981\u3002\u6bcf\u4e2a\u57df\u5fc5\u987b\u81f3\u5c11\u6709\u4e00\u4e2a\u4f7f\u7528 NS \u8bb0\u5f55\u6307\u5b9a\u7684\u6743\u5a01\u540d\u79f0\u670d\u52a1\u5668\uff0c\u8d1f\u8d23\u5b58\u50a8\u8be5\u57df\u7684 DNS \u8bb0\u5f55\u3002<\/p>\n<h2>DNS NS \u8bb0\u5f55\u7684\u5185\u90e8\u7ed3\u6784 \u2013 DNS NS \u8bb0\u5f55\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>DNS NS \u8bb0\u5f55\u7684\u5185\u90e8\u7ed3\u6784\u5f88\u7b80\u5355\u3002\u5b83\u7531\u57df\u540d\u548c\u540d\u79f0\u670d\u52a1\u5668\u5730\u5740\u7ec4\u6210\u3002\u57df\u540d\u6807\u8bc6\u540d\u79f0\u670d\u52a1\u5668\u5177\u6709\u6743\u5a01\u6027\u7684\u533a\u57df\uff0c\u540d\u79f0\u670d\u52a1\u5668\u5730\u5740\u8868\u793a\u6743\u5a01\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002<\/p>\n<p>\u5f53\u7528\u6237\u67e5\u8be2\u57df\u540d\u65f6\uff0cDNS\u89e3\u6790\u5668\u9996\u5148\u67e5\u627eNS\u8bb0\u5f55\u4ee5\u786e\u5b9a\u6743\u5a01\u57df\u540d\u670d\u52a1\u5668\u3002\u4e00\u65e6\u89e3\u6790\u5668\u83b7\u5f97\u6743\u5a01\u57df\u540d\u670d\u52a1\u5668\u7684 IP \u5730\u5740\uff0c\u5b83\u5c31\u4f1a\u4e13\u95e8\u5411\u8be5\u57df\u540d\u670d\u52a1\u5668\u53d1\u9001\u65b0\u7684\u67e5\u8be2\uff0c\u4ee5\u83b7\u53d6\u8be5\u57df\u6240\u9700\u7684 DNS \u4fe1\u606f\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3a\u9012\u5f52 DNS \u89e3\u6790\u3002<\/p>\n<h2>DNS NS\u8bb0\u5f55\u7684\u5173\u952e\u7279\u5f81\u5206\u6790<\/h2>\n<p>DNS NS \u8bb0\u5f55\u5728 DNS \u5c42\u6b21\u7ed3\u6784\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\uff0c\u63d0\u4f9b\u4e86\u51e0\u4e2a\u5173\u952e\u529f\u80fd\u548c\u4f18\u70b9\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5197\u4f59\u548c\u5bb9\u9519\uff1a<\/strong> \u901a\u8fc7\u5141\u8bb8\u4e00\u4e2a\u57df\u6709\u591a\u4e2a NS \u8bb0\u5f55\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u6307\u5b9a\u591a\u4e2a\u6743\u5a01\u540d\u79f0\u670d\u52a1\u5668\u3002\u8fd9\u79cd\u5197\u4f59\u786e\u4fdd\u4e86\u5bb9\u9519\u80fd\u529b\uff0c\u5c31\u50cf\u4e00\u53f0\u540d\u79f0\u670d\u52a1\u5668\u4e0d\u53ef\u7528\u4e00\u6837\uff0c\u5176\u4ed6\u540d\u79f0\u670d\u52a1\u5668\u4ecd\u7136\u53ef\u4ee5\u5904\u7406\u8be5\u57df\u7684 DNS \u67e5\u8be2\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4ee3\u8868\u56e2\uff1a<\/strong> NS \u8bb0\u5f55\u4f7f\u57df\u6240\u6709\u8005\u80fd\u591f\u5c06\u5b50\u57df\u59d4\u6258\u7ed9\u4e0d\u540c\u7684\u540d\u79f0\u670d\u52a1\u5668\uff0c\u4ece\u800c\u5728\u7ba1\u7406\u5927\u578b\u590d\u6742\u57fa\u7840\u8bbe\u65bd\u65b9\u9762\u63d0\u4f9b\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8d1f\u8f7d\u5747\u8861\uff1a<\/strong> \u5c06 NS \u8bb0\u5f55\u5206\u5e03\u5728\u591a\u4e2a\u540d\u79f0\u670d\u52a1\u5668\u4e0a\u53ef\u4ee5\u4fc3\u8fdb\u8d1f\u8f7d\u5e73\u8861\uff0c\u56e0\u4e3a DNS \u89e3\u6790\u5668\u53ef\u4ee5\u968f\u673a\u9009\u62e9\u5176\u4e2d\u4e00\u4e2a\u540d\u79f0\u670d\u52a1\u5668\uff0c\u4ece\u800c\u5747\u5300\u5206\u914d\u67e5\u8be2\u8d1f\u8f7d\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>DNS NS \u8bb0\u5f55\u7684\u7c7b\u578b<\/h2>\n<p>\u6839\u636e\u57df\u7684\u914d\u7f6e\u548c\u8981\u6c42\uff0cDNS NS \u8bb0\u5f55\u53ef\u4ee5\u662f\u4e0d\u540c\u7c7b\u578b\u3002\u6700\u5e38\u89c1\u7684\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5728\uff08\u4e92\u8054\u7f51\uff09<\/td>\n<td>\u7528\u4e8e\u5927\u591a\u6570\u4e92\u8054\u7f51\u57df\u7684\u6807\u51c6 NS \u8bb0\u5f55\u3002<\/td>\n<\/tr>\n<tr>\n<td>CH\uff08\u6df7\u4e71\uff09<\/td>\n<td>\u5f88\u5c11\u4f7f\u7528\uff0c\u4e3b\u8981\u7528\u4e8e\u67e5\u8be2\u670d\u52a1\u5668\u72b6\u6001\u3002<\/td>\n<\/tr>\n<tr>\n<td>HS\uff08\u8d6b\u897f\u5965\u5fb7\uff09<\/td>\n<td>\u7528\u4e8e\u8d6b\u897f\u5965\u5fb7\u547d\u540d\u7a7a\u95f4\u7cfb\u7edf\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DNS NS\u8bb0\u5f55\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<h3>DNS NS\u8bb0\u5f55\u7684\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h3>\n<ol>\n<li>\n<p><strong>\u57df\u540d\u6ce8\u518c\uff1a<\/strong> \u5728\u57df\u6ce8\u518c\u8fc7\u7a0b\u4e2d\uff0c\u57df\u6ce8\u518c\u5546\u901a\u5e38\u8981\u6c42\u7528\u6237\u901a\u8fc7 NS \u8bb0\u5f55\u6307\u5b9a\u57df\u7684\u6743\u5a01\u540d\u79f0\u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNS \u533a\u57df\u7ba1\u7406\uff1a<\/strong> \u7ba1\u7406\u5458\u4f7f\u7528 NS \u8bb0\u5f55\u6765\u7ba1\u7406 DNS \u533a\u57df\u5e76\u5c06\u5b50\u57df\u59d4\u6258\u7ed9\u4e0d\u540c\u7684\u540d\u79f0\u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u66f4\u6539\u6258\u7ba1\u63d0\u4f9b\u5546\uff1a<\/strong> \u5c06\u7f51\u7ad9\u8fc1\u79fb\u5230\u65b0\u7684\u6258\u7ba1\u63d0\u4f9b\u5546\u65f6\uff0c\u66f4\u65b0 NS \u8bb0\u5f55\u5141\u8bb8\u65b0\u63d0\u4f9b\u5546\u7684\u540d\u79f0\u670d\u52a1\u5668\u5904\u7406 DNS \u67e5\u8be2\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>DNS NS\u8bb0\u5f55\u4f7f\u7528\u76f8\u5173\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848\uff1a<\/h3>\n<ol>\n<li>\n<p><strong>\u4f20\u64ad\u5ef6\u8fdf\uff1a<\/strong> \u66f4\u6539 NS \u8bb0\u5f55\u65f6\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f DNS \u4f20\u64ad\u5ef6\u8fdf\uff0c\u4ece\u800c\u5bfc\u81f4\u5168\u5c40\u54cd\u5e94\u4e0d\u4e00\u81f4\u3002\u4e3a\u4e86\u7f13\u89e3\u8fd9\u79cd\u60c5\u51b5\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u5728\u66f4\u6539\u4e4b\u524d\u964d\u4f4e DNS \u8bb0\u5f55\u7684 TTL\uff08\u751f\u5b58\u65f6\u95f4\uff09\uff0c\u4ece\u800c\u51cf\u5c11\u4f20\u64ad\u65f6\u95f4\u3002<\/p>\n<\/li>\n<li>\n<p><strong>NS \u8bb0\u5f55\u914d\u7f6e\u9519\u8bef\uff1a<\/strong> \u9519\u8bef\u7684 NS \u8bb0\u5f55\u53ef\u80fd\u4f1a\u5bfc\u81f4 DNS \u89e3\u6790\u5931\u8d25\u3002\u7ba1\u7406\u5458\u5e94\u786e\u4fdd NS \u8bb0\u5f55\u8bbe\u7f6e\u6b63\u786e\u5e76\u6307\u5411\u6709\u6548\u7684\u540d\u79f0\u670d\u52a1\u5668 IP \u5730\u5740\u3002<\/p>\n<\/li>\n<li>\n<p><strong>DNS \u7f13\u5b58\u4e2d\u6bd2\uff1a<\/strong> \u6076\u610f\u884c\u4e3a\u8005\u53ef\u80fd\u4f1a\u5c1d\u8bd5\u4f7f\u7528\u4e0d\u6b63\u786e\u7684 NS \u8bb0\u5f55\u6765\u6bd2\u5bb3 DNS \u7f13\u5b58\u3002\u5b9e\u65bd DNSSEC\uff08\u57df\u540d\u7cfb\u7edf\u5b89\u5168\u6269\u5c55\uff09\u53ef\u4ee5\u901a\u8fc7\u5411 DNS \u6570\u636e\u6dfb\u52a0\u6570\u5b57\u7b7e\u540d\u6765\u9632\u6b62\u6b64\u7c7b\u653b\u51fb\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u4e0e\u540c\u7c7b\u672f\u8bed\u7684\u6bd4\u8f83<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DNS NS \u8bb0\u5f55<\/td>\n<td>\u6307\u5b9a\u57df\u7684\u6743\u5a01\u540d\u79f0\u670d\u52a1\u5668\u3002<\/td>\n<\/tr>\n<tr>\n<td>DNS A\u8bb0\u5f55<\/td>\n<td>\u5c06\u57df\u540d\u6620\u5c04\u5230 IPv4 \u5730\u5740\u3002<\/td>\n<\/tr>\n<tr>\n<td>DNS AAAA \u8bb0\u5f55<\/td>\n<td>\u5c06\u57df\u540d\u6620\u5c04\u5230 IPv6 \u5730\u5740\u3002<\/td>\n<\/tr>\n<tr>\n<td>DNS CNAME \u8bb0\u5f55<\/td>\n<td>\u4e3a\u53e6\u4e00\u4e2a\u57df\u540d\uff08\u89c4\u8303\u540d\u79f0\uff09\u521b\u5efa\u522b\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td>DNS MX \u8bb0\u5f55<\/td>\n<td>\u6807\u8bc6\u8d1f\u8d23\u63a5\u6536\u57df\u7535\u5b50\u90ae\u4ef6\u7684\u90ae\u4ef6\u670d\u52a1\u5668\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e DNS NS \u8bb0\u5f55\u76f8\u5173\u7684\u672a\u6765\u89c2\u70b9\u548c\u6280\u672f<\/h2>\n<p>DNS \u57fa\u7840\u8bbe\u65bd\u4e0d\u65ad\u53d1\u5c55\uff0c\u4ee5\u5e94\u5bf9\u65b0\u51fa\u73b0\u7684\u6311\u6218\u5e76\u63d0\u9ad8\u6027\u80fd\u3002\u4e0e DNS NS \u8bb0\u5f55\u76f8\u5173\u7684\u4e00\u4e9b\u6f5c\u5728\u7684\u672a\u6765\u53d1\u5c55\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>IPv6 \u91c7\u7528\uff1a<\/strong> \u968f\u7740 IPv6 \u91c7\u7528\u7684\u589e\u957f\uff0cDNS NS \u8bb0\u5f55\u5c06\u9700\u8981\u6709\u6548\u652f\u6301 IPv6 \u5730\u5740\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5206\u5e03\u5f0fDNS\uff1a<\/strong> \u5206\u5e03\u5f0f\u8d26\u672c\u6216\u533a\u5757\u94fe\u6280\u672f\u7684\u4f7f\u7528\u53ef\u80fd\u4f1a\u6539\u5584 DNS \u53bb\u4e2d\u5fc3\u5316\u548c\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5982\u4f55\u5c06\u4ee3\u7406\u670d\u52a1\u5668\u4e0e DNS NS \u8bb0\u5f55\u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u5145\u5f53\u5ba2\u6237\u7aef\u548c Web \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u4ee3\u8868\u670d\u52a1\u5668\u8f6c\u53d1\u5ba2\u6237\u7aef\u8bf7\u6c42\u5e76\u8fd4\u56de\u54cd\u5e94\u3002\u867d\u7136\u4ee3\u7406\u670d\u52a1\u5668\u4e0d\u76f4\u63a5\u4e0e DNS NS \u8bb0\u5f55\u5173\u8054\uff0c\u4f46\u5b83\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u95f4\u63a5\u5f71\u54cd DNS \u89e3\u6790\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u7f13\u5b58\uff1a<\/strong> \u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u7f13\u5b58 DNS \u54cd\u5e94\uff0c\u4ece\u800c\u51cf\u5c11\u5ba2\u6237\u7aef\u7684 DNS \u67e5\u8be2\u65f6\u95f4\u548c\u603b\u4f53\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8d1f\u8f7d\u5747\u8861\uff1a<\/strong> \u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5c06\u4f20\u5165\u7684\u5ba2\u6237\u7aef\u8bf7\u6c42\u5206\u53d1\u5230\u591a\u4e2a\u540e\u7aef Web \u670d\u52a1\u5668\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5e73\u8861\u5e76\u589e\u5f3a\u7f51\u7ad9\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b89\u5168\u548c\u9690\u79c1\uff1a<\/strong> \u4ee3\u7406\u53ef\u4ee5\u901a\u8fc7\u5411 Web \u670d\u52a1\u5668\u9690\u85cf\u5ba2\u6237\u7aef\u7684 IP \u5730\u5740\u5e76\u8fc7\u6ee4\u6076\u610f\u6d41\u91cf\u6765\u589e\u5f3a\u5b89\u5168\u6027\u548c\u9690\u79c1\u6027\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<ul>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc1034\" target=\"_new\" rel=\"noopener nofollow\">RFC 1034 \u2013 \u57df\u540d \u2013 \u6982\u5ff5\u548c\u8bbe\u65bd<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc1035\" target=\"_new\" rel=\"noopener nofollow\">RFC 1035 \u2013 \u57df\u540d \u2013 \u5b9e\u65bd\u548c\u89c4\u8303<\/a><\/li>\n<li><a href=\"https:\/\/www.oreilly.com\/library\/view\/dns-and-bind\/9781449305050\/\" target=\"_new\" rel=\"noopener nofollow\">DNS \u548c\u7ed1\u5b9a<\/a> \u4f5c\u8005\uff1aCricket Liu \u548c Paul Albitz<\/li>\n<li><a href=\"https:\/\/www.cloudflare.com\/learning\/dns\/what-is-dns\/\" target=\"_new\" rel=\"noopener nofollow\">DNS\u7b80\u4ecb<\/a> \u2013 Cloudflare \u5b66\u4e60\u4e2d\u5fc3<\/li>\n<li><a href=\"https:\/\/www.internetsociety.org\/resources\/doc\/2022\/dnssec-a-primer\/\" target=\"_new\" rel=\"noopener nofollow\">DNSSEC\uff1a\u5165\u95e8<\/a> \u2013 \u4e92\u8054\u7f51\u534f\u4f1a<\/li>\n<\/ul>","protected":false},"featured_media":476907,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476906","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DNS NS Record: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is a DNS NS record?","answer":"<p>A DNS NS record, also known as a Name Server record, is an essential component of the Domain Name System (DNS). It specifies the authoritative nameservers responsible for handling DNS queries for a specific domain. When you enter a domain name in your web browser, the DNS NS record helps direct the request to the correct nameserver, ensuring you reach the right web server hosting the website.<\/p>"},{"question":"How did the DNS NS record originate?","answer":"<p>The DNS NS record was introduced as part of the Domain Name System in the 1980s. Before DNS, a centralized HOSTS.TXT file managed internet hosts, but it became impractical as the internet grew. The need for distributing information and avoiding single points of failure led to the development of DNS. The concept of authoritative nameservers, represented by the NS record, was defined in RFC 1034 and RFC 1035 published in November 1987.<\/p>"},{"question":"How does the DNS NS record work internally?","answer":"<p>The internal structure of a DNS NS record is straightforward. It comprises a domain name and a nameserver address. The domain name indicates the zone for which the nameserver is authoritative, and the nameserver address specifies the IP address of the authoritative server. When you query a domain name, your DNS resolver looks for the NS record to determine the authoritative nameserver. Then, it sends a new query specifically to that nameserver to fetch the required DNS information for the domain.<\/p>"},{"question":"What are the key features of the DNS NS record?","answer":"<p>The DNS NS record offers several key features:<\/p><ol><li>Redundancy and Fault Tolerance: Multiple NS records can designate several authoritative nameservers, ensuring fault tolerance and reliability.<\/li><li>Delegation: NS records allow domain owners to delegate subdomains to different nameservers, facilitating scalability and management.<\/li><li>Load Balancing: Distributing NS records across multiple nameservers enables load balancing, enhancing query response times.<\/li><\/ol>"},{"question":"What types of DNS NS records exist?","answer":"<p>DNS NS records can be of different types based on domain configurations:<\/p><ul><li>IN (Internet): Standard NS record used for most internet domains.<\/li><li>CH (Chaos): Rarely used, primarily for querying server status.<\/li><li>HS (Hesiod): Used in Hesiod namespace systems.<\/li><\/ul>"},{"question":"How can the DNS NS record be used, and what problems may arise?","answer":"<p>Ways to use DNS NS record:<\/p><ol><li>Domain Registration: During registration, users specify the authoritative nameservers for the domain using NS records.<\/li><li>DNS Zone Management: NS records help administrators manage DNS zones and delegate subdomains to different nameservers.<\/li><li>Changing Hosting Providers: Updating NS records during a migration allows new providers' nameservers to handle DNS queries.<\/li><\/ol><p>Potential problems and solutions:<\/p><ol><li>Propagation Delays: Changing NS records may cause propagation delays. Lowering TTL before the change reduces this time.<\/li><li>Misconfigured NS Records: Incorrect NS records can lead to resolution failures. Ensuring correct settings and valid IP addresses is vital.<\/li><li>DNS Cache Poisoning: Implementing DNSSEC protects against malicious attempts to poison DNS caches with incorrect NS records.<\/li><\/ol>"},{"question":"How does the DNS NS record compare to similar DNS record types?","answer":"<p>The DNS NS record serves a specific purpose - specifying authoritative nameservers. Other DNS record types include:<\/p><ul><li>DNS A Record: Maps a domain name to an IPv4 address.<\/li><li>DNS AAAA Record: Maps a domain name to an IPv6 address.<\/li><li>DNS CNAME Record: Creates an alias for another domain name (canonical name).<\/li><li>DNS MX Record: Identifies mail servers responsible for receiving email for a domain.<\/li><\/ul>"},{"question":"What does the future hold for DNS NS records?","answer":"<p>The DNS infrastructure continually evolves to address challenges and improve performance. Future developments may include improved IPv6 support and the potential integration of distributed ledgers or blockchain technology for enhanced decentralization and security.<\/p>"},{"question":"How are proxy servers associated with DNS NS records?","answer":"<p>While proxy servers are not directly related to DNS NS records, they can influence DNS resolution indirectly. Proxies can cache DNS responses, achieve load balancing, enhance security and privacy, all of which contribute to an improved browsing experience for users.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/476906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/476906\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/476907"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=476906"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}