Re: messing with DNS, was Thank you, Comcast.

["Livingood, Jason" <Jason_Livingood () comcast com>]

On 2/26/16, 1:03 PM, "NANOG on behalf of John Levine" <nanog-bounces () nanog org<mailto:nanog-bounces () nanog org> on 
behalf of johnl () iecc com<mailto:johnl () iecc com>> wrote:
T-W and I am fairly sure Comcast have per-customer opt-out from DNS
"enhancement".  T-W's is at http://dnssearch.rr.com/prefs.php

I still don't use their DNS caches, but that's not the reason.

Comcast stopped doing NXDOMAIN redirection on January 10, 2012, a little more than 4 years ago. We did so when we 
completed our DNSSEC deployment. The relevant announcements can be found at:
http://corporate.comcast.com/comcast-voices/comcast-completes-dnssec-deployment
and
http://corporate.comcast.com/comcast-voices/comcast-domain-helper-shuts-down

Regards
Jason / Comcast