我的IP最佳替代：
204.74.105.85 //rdns1eqsj.ultradns.net
207.126.96.162 //ns.above.net 解析速度最快
Service provider:OpenDNS
OpenDNS free dns server list:
- 208.67.222.222 // ping 32byte 308ms ， 解析也很快
- 208.67.220.220
Service provider: ScrubIt
Public dns server address:
- 67.138.54.100 // 无法ping 通
- 207.225.209.66
Service provider: vnsc-pri.sys.gtei.net
Public Name server IP address:
- 4.2.2.1 //无法ping 通
- 4.2.2.2
- 4.2.2.3
- 4.2.2.4
- 4.2.2.5
- 4.2.2.6
GTE (Irving, TX, US)
192.76.85.133
206.124.64.1
One Connect IP (Albuquerque, NM, US)
67.138.54.100
OpenDNS (San Francisco, CA, US)
208.67.222.222
208.67.220.220
Exetel (Sydney, AU)
220.233.167.31
VRx Network Services (New York, NY, US)
199.166.31.3
SpeakEasy (Seattle, WA, US)
66.93.87.2
216.231.41.2
216.254.95.2
64.81.45.2
//ping avg 252ms 15%, 解析很快
64.81.111.2
64.81.127.2
64.81.79.2
64.81.159.2
66.92.64.2
66.92.224.2
66.92.159.2
64.81.79.2
64.81.159.2
64.81.127.2
64.81.45.2
216.27.175.2
66.92.159.2
66.93.87.2
Sprintlink (Overland Park, KS, US)
199.2.252.10
//ping avg 355ms 10％ loss, 解析很快
204.97.212.10
204.117.214.10
Cisco (San Jose, CA, US)
64.102.255.44
128.107.241.185
http://www.dnsserverlist.org/ //可根据你的IP算出最快的DNS服务器，同时维护了一份免费的DNS server List
