Google DNS intermittent ServFail for Disney subdomain

Mike Hammett nanog at ics-il.net
Fri Oct 20 13:23:32 CST 2017


I know it doesn't help your problem, but friends don't let friends use public DNS resolvers (Google, L3, Open DNS, etc.). ;-) 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 

Midwest-IX 
http://www.midwest-ix.com 

----- Original Message -----

From: "David Sotnick" <sotnickd-nanog at ddv.com> 
To: "NANOG" <nanog at nanog.org> 
Sent: Thursday, October 19, 2017 10:41:46 PM 
Subject: Google DNS intermittent ServFail for Disney subdomain 

Hi Nanog, 

I am principal network engineer for sister-studio to Disney Studios. They 
have been struggling with DNS issues since Thursday 12th October. 

By all accounts it appears as though *some* of the Google DNS resolvers 
cannot reach the authoritative nameservers for "studio.disney.com". 

This is causing ~20-30% of all DNS requests against Google Public DNS 
8.8.8.8 / 8.8.4.4 to fail for requests in this subdomain. 

The name servers reside in 153.7.233.0/24. 

Might someone be able to *connect me* with someone at Google to assist my 
poor colleagues who are banging their heads against a brick wall here. 

Thank you, 
David 



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