Free Public DNS Server

http://theos.in/windows-xp/free-fast-public-dns-server-list/
Service provider: Google

8.8.8.8 RTT:34ms
8.8.4.4 RTT:34ms
Service provider: ScrubIt
Public dns server address:

67.138.54.100
207.225.209.66
Service provider:dnsadvantage
Dnsadvantage free dns server list:

156.154.70.1
156.154.71.1
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

googleはMULTIFEED につながっているようです。RTTから国内だと思いますがどこかな？