Spying on People With Guns

DNS showdown

September 20, 2011 · File under Technical argle-bargle

I resolved the "top 1000 sites" via Google's Public DNS, 4.2.2.2 and OpenDNS. Here are the results:

$ curl http://www.google.com/adplanner/static/top1000/ | grep _blank | grep -o http:[^\"]\* | grep -o //.\*/ | cut -d/ -f3 > top1000domains $ time for i in `cat top1000domains`; do host $i 8.8.8.8 > /dev/null; done real 11m42.183s user 0m1.481s sys 0m2.809s $ time for i in `cat top1000domains`; do host $i 4.2.2.2 > /dev/null; done real 14m14.926s user 0m1.453s sys 0m2.732s $ time for i in `cat top1000domains`; do host $i 208.67.222.222 > /dev/null; done real 8m11.168s user 0m1.466s sys 0m2.780s

Google beat 4.2.2.2. It seems like when I tried Google's DNS when it was first made available, it was inferior to 4.2.2.2 but that appears to no longer be the case.

But OpenDNS (which I threw in for the hell of it) beat them both. They do show ads for non-existent hosts, which works my nerves. But maybe since they're for profit, they're able to be quicker.

(Not that this was very scientific.)

Spying on People with Guns

DNS showdown

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