Comcast DNS Issue?

Thu Dec 5 16:09:57 UTC 2013

Yes clients had both IPs in their relative DNS configuration settings.

Aaron Childs, CCNA
Associate Director, Networking
Information Technology
www.westfield.ma.edu/it 
Please Note: new e-mail address - aaron at westfield.ma.edu

-----Original Message-----
From: christopher.morrow at gmail.com [mailto:christopher.morrow at gmail.com] On Behalf Of Christopher Morrow
Sent: Thursday, December 05, 2013 11:09 AM
To: Childs, Aaron
Cc: Ulf Zimmermann; nanog at nanog.org
Subject: Re: Comcast DNS Issue?

On Thu, Dec 5, 2013 at 11:02 AM, Childs, Aaron <aaron at westfield.ma.edu> wrote:
> Our issue was that 75.75.75.75 was not responding to queries at all and for some reason clients weren't getting redirected to 75.75.76.76.

did the clients not have 75.75.76.76 in their resolv.conf (or
equivalent) as the second nameserver entry? that 'redirect' is the host-os knowing it has more than one 'nameserver' to ask questions of, right? so without the config... you are SOL.