RE: Comcast DNS Issue?

2013-12-05 Thread Childs, Aaron
[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 wrote: > Our issue was that 75.75.75.75 was

Re: Comcast DNS Issue?

2013-12-05 Thread Christopher Morrow
On Thu, Dec 5, 2013 at 11:02 AM, Childs, Aaron 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

Re: Comcast DNS Issue?

2013-12-05 Thread Livingood, Jason
http://dns.comcast.net/index.php/contactus On 12/3/13, 2:46 PM, "Childs, Aaron" wrote: >Good Afternoon, > >If there is a Comcast DNS Engineer on the list could you contact me >off-list? We are experiencing an odd issue with 75.75.75.75. > >Thanks, >Aaron > > >[Description: Description: Descr

Re: Comcast DNS Issue?

2013-12-05 Thread Ulf Zimmermann
Is your issue that it gives out old DNS records? Because I am trying to track something down for an user on Comcast who is still getting the old IP of a VPN concentrator. The DNS records has a TTL of 30 minutes, yet a week later the end user is still getting the old IP. Haven't been able to get him