Public DNS

Free Public DNS Server
Service provider: ScrubIt
Public dns server address:
* 67.138.54.100
* 207.225.209.66

Service provider:OpenDNS
OpenDNS free dns server list:
* 208.67.222.222
* 208.67.220.220

Service provider: vnsc-pri.sys.gtei.net
Public Name server IP address:
* 4.2.2.1
* 4.2.2.2
* 4.2.2.3
* 4.2.2.4
* 4.2.2.5
* 4.2.2.6

i recommend OpenDNS  which is faster.Change your dns which your ISPprovide ,any one above.find great diffrence in speed.