Windows查看ip、dns地址:https://zhidao.baidu.com/question/992254301658388019.html
设置IP、DNS
Windows xp:http://jingyan.baidu.com/article/7082dc1caf6f31e40b89bd70.html
Windows 7:http://jingyan.baidu.com/article/5d6edee20840e899eadeeccf.html
Windows 8/10:http://jingyan.baidu.com/article/1612d50058aa86e20e1eee96.html