# 解决dns污染导致域名解析失败

打开<http://ping.chinaz.com/gist.github.com> 输入希望解析的域名，比如`gist.github.com`,然后`ping检测` 检测结束后按照响应时间排序找一个有效的ip配置host ![](https://ws4.sinaimg.cn/large/006tKfTcly1fpxs49br3zj31kw099799.jpg) ![](https://ws3.sinaimg.cn/large/006tKfTcly1fpxs51vz0lj31iy0h2k3x.jpg)

```
192.30.253.118 http://gist.github.com
192.30.253.119 http://gist.github.com
```


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