Public Free DNS servers

Thanks to http://www.tech-faq.com/public-dns-servers.shtml

Public DNS Servers

Level 3 Communications (Broomfield, CO, US)

4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.2.5
4.2.2.6

Verizon (Reston, VA, US)

151.197.0.38
151.197.0.39
151.202.0.84
151.202.0.85
151.202.0.85
151.203.0.84
151.203.0.85
199.45.32.37
199.45.32.38
199.45.32.40
199.45.32.43

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
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
204.97.212.10
204.117.214.10

Cisco (San Jose, CA, US)

64.102.255.44
128.107.241.185