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This looks to be a pretty neat DNS benchmarking tool: http://code.google.com/p/namebench/

I think I'm behind a restricted proxy or something (on some hotel WiFi), because it's not really working for me, but I'd be interested to hear others' results.

Compare to Level3's 4.2.2.2-3 and OpenDNS's 208.67.222.222 and 208.67.220.220 (they really need a more memorable IP). Any other good ones?



My results run from a SliceHost slice: https://gist.github.com/00a8976d0b76e796996a

    Mean response (in milliseconds):
    --------------------------------
     SBC/AT&T Global- ########### 45.11
     OpenDNS-2        ############# 56.75
     OpenDNS          ################ 66.40
     8.8.4.4          ################# 70.29
     4.2.2.3          ###################### 96.20
     UltraDNS-2       ######################## 104.35
     UltraDNS         ######################## 104.68
     Level 3-2        ######################### 106.95
     SYS-67.207.128.5 ########################### 114.93
     SYS-67.207.128.4 ###################################################### 231.97


Steve Gibson has a decent DNS Benchmark tool for Windows as well: http://www.grc.com/dns/benchmark.htm

(Level 3's DNS servers were slightly faster than Google's for me)

It has a list of several public DNS servers.




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