[dns-operations] new public DNS service:

wbrown at e1b.org wbrown at e1b.org
Mon Nov 20 18:04:44 UTC 2017

From: "Damian Menscher" <damian at google.com>

> Given the intent is to detect malicious hijacking, I'm not sure 
> posting a query that can be imitated by others is useful.  Instead, 
> I recommend running a traceroute and confirming the path enters 
> Google's network before reaching the final host.

Since the ISP could be hijacking just port 53 traffic, a better test is to 
query for a totally bogus domain, and see what you get back.  Google will 
return NXDOMAIN, an ISP will usually take you to a search page or the 


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