Google DNS vs OpenDNS vs Comcast

Sunday, December 6, 2009 http://atj.me/b/585

DNS Test Results

I jumped from OpenDNS to the new Google Public DNS after Gruber did.

The speed difference between the two during real world browsing has been negligible. In fact, a recent BrowserMob article has me reconsidering the plain-old Comcast DNS servers.

Download the Java utility from BrowserMob to run your own speed test.

Usage instructions

java -jar browsermob-dns-perf.jar

To test your ISP’s DNS as well, add the IP address(s) to the command like so:

java -jar browsermob-dns-perf.jar 123.456.789.012

BrowserMob

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