messing with DNS, was Thank you, Comcast.

Livingood, Jason Jason_Livingood at
Fri Feb 26 19:11:22 UTC 2016

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

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:

Jason / Comcast

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