公共 DNS 服务器

[tonisha5]

Google Public DNS (8.8.8.8, 8.8.4.4)Norton DNS (198.153.192.1, 198.153.194.1)
OpenDNS (208.67.222.222, 208.67.220.220)
OpenDNS Family (208.67.222.123, 208.67.220.123)
Comodo Secure DNS(156.154.70.22, 156.156.71.22)
ScrubIt DNS (67.138.54.100, 207.225.209.66)
DNS Advantage(156.154.70.1, 156.154.71.1)
设置方法参考：http://cnzhx.net/blog/set-dns-right-for-convenience/