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 - aa...@westfield.ma.edu -----Original Message----- From: christopher.mor...@gmail.com [mailto:christopher.mor...@gmail.com] On Behalf Of Christopher Morrow Sent: Thursday, December 05, 2013 11:09 AM To: Childs, Aaron Cc: Ulf Zimmermann; nanog@nanog.org Subject: Re: Comcast DNS Issue? On Thu, Dec 5, 2013 at 11:02 AM, Childs, Aaron <aa...@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.
