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DNS污染是什么?DNS污染怎么解决?

更新时间:2026-08-23 11:52:16 | 编辑:迷糊 | 信息来源:互联网

  当你费劲九牛二虎之力,终于将域名转移到另一个服务器的时候,是否想过你的服务器可能会遭遇的DNS污染?DNS污染常出现解析错误的页面,严重时还可能直接导致网站IP被重新定向,该如果解决DNS污染问题呢?

  什么是DNS污染?

  某些网络运营商为了某些目的,对DNS进行了某些操作,导致使用ISP的正常上网设置无法通过域名取得正确的IP地址。某些国家或地区为出于某些目的防止某网站被访问,而且其又掌握部分国际DNS根目录服务器或镜像,也可以利用此方法进行屏蔽。

  和某些流氓运营商利用DNS劫持域名发些小广告不同,DNS污染则让域名直接无法访问了,非得修改DNS服务器不可。

  怎么验证是否遭遇DNS污染?

  1、点“开始”-“运行”-输入CMD,再输入 ipconfig /all 然后在“DNS SERVER(中文名:DNS 服务器)”里找到你使用的DNS服务器地址。

  2、再输入:nslookup xitongzhijia.net

  注:xitongzhijia.net是你的DNS服务器,来查看是否能解析。

  3、再输入:nslookup xitongzhijia.net 8.8.8.8

  注:8.8.8.8是Google DNS服务器,可以验证一下。

  域名遭遇DNS污染怎么解决?

  1、更换DNS解析服务器。一般来说,域名注册商家都是提供免费的DNS解析服务的,以我所实用的Godaddy为例,就提供了许多免费的DNS解析服务,而且解析速度很快,比之前实用的什么万网之流要快得多,不可能全部被污染,所以更换两个DNS服务器即可。

  2、使用第三方DNS解析服务。目前有很多第三方网站提供DNS解析服务,不少都是免费的,国内也有免费提供DNS解析服务的,使用第三方DNS服务可以部分解决问题,比如望月正在使用的DNSpod服务,就是国内还算比较稳定的DNS解析服务。

  注意事项1:在换用第三方解析服务的时候,应该先到DNSPOD之类的解析服务商那里将域名解析,过几个小时再到godaddy之类的域名注册商那里去修改DNS服务器,这样可以避免博客出现因解析时间造成的空白期。

  注意事项2:Godaddy目前本身域名就被DNS污染了,即使挂VPN也访问不了,只有更改自己电脑的DNS(比如改成google的8.8.8.8)才能访问。

  3、搭建自己的DNS服务器。这样子最保险,当然也最是费时废财,有条件的朋友可以尝试。

  以上便是关于DNS污染的含义和遭遇DNS污染时的解决方法,在服务器搭建之初,用户就需要防范于未然,麻烦点总归不会出错。


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