1、首先从最简单的DNS服务器来清除缓存测试。用电脑键盘按下Windows+R键运行。在运行栏输入:cmd再按Enter确认键。
![](https://iknow-pic.cdn.bcebos.com/b17eca8065380cd762b2ff58af44ad34588281d3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、在出现的命令提示符直接输入:ipconfig /flushdns然后按Enter确认键。
![](https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd100f043a6947c8b4710b8122fa3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、接着会自动刷新DNS解析缓存。等到刷新成功后关闭命令提示符。打开网站查看能否上网。
![](https://iknow-pic.cdn.bcebos.com/5ab5c9ea15ce36d30a2ada8534f33a87e950b15d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、如果还是不行可能就是解析服务器出现问题。在浏览器搜索并下载安装安全管家软件。
![](https://iknow-pic.cdn.bcebos.com/d439b6003af33a870a4659afc85c10385343b558?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、打开安全管家软件。点击软件主页右侧的“更多”选项
![](https://iknow-pic.cdn.bcebos.com/0bd162d9f2d3572cbf33c2698413632763d0c3b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、点击下面的立即修复选项。不要只点一次。可以多点几次立即修复。
![](https://iknow-pic.cdn.bcebos.com/64380cd7912397dd5010c1b15782b2b7d0a2871e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)