[dns-operations] chrome's 10 character QNAMEs to detect NXDOMAIN rewriting

[Rubens Kuhl]

> 
> Is whatever Google doing documented somewhere?  I didn't see anything
> with https://www.google.com/search?q=chromium+nxdomain+detection+dns
> and one or two similar searches.


Yeap, in the source code. Some discussions on those:
http://productforums.google.com/forum/#!topic/chrome/dQ92XhrDjfk
https://code.google.com/p/chromium/issues/detail?id=47262
http://serverfault.com/questions/235307/unusual-head-requests-to-nonsense-urls-from-chrome
http://www.forensicswiki.org/wiki/Google_Chrome#Start-up_DNS_queries


Rubens