Posts Tagged ‘comcast’

Comcast Launches IPv6 Trials For Business Customers – Sign Up Today

Tags: , , | Posted in IPv6 | Posted on: April 30th, 2013 by | No Comments
comcast business logo

We were very pleased to see news yesterday on Comcast’s corporate blog about the launch of IPv6 services for businesses. Comcast’s John Jason Brzowski wrote there that: Business Ethernet customers have had full IPv6 service and support in place for them since the beginning of 2013. IPv6 trials are about to get underway for our Business Internet customers Read more…


Comcast Publishing Domains Failing DNSSEC Via Twitter

Tags: , , | Posted in DNSSEC | Posted on: March 29th, 2013 by | No Comments
Comcast DNS Twitter account

How do you know when a domain is failing DNSSEC validation? What if there was a way to let the broader industry know about these validation failures?  The folks over at Comcast’s DNS team have been trying an experiment for a while in posting these DNSSEC validation failures publicly to Twitter at: https://twitter.com/comcastdns If you Read more…


Video: What are “Negative Trust Anchors” for DNSSEC?

Tags: , , , | Posted in DNSSEC, Videos | Posted on: March 26th, 2013 by | No Comments

What are “negative trust anchors” for DNSSEC? What function do they perform? Why do we need them? In this video, Dan York interviews Jason Livingood about his Internet-Draft on this topic and answers these and other questions: The Internet-Draft can be found at: http://tools.ietf.org/html/draft-livingood-negative-trust-anchors Jason and his co-author are seeking comment and would appreciate feedback Read more…


Comcast Formally Launches IPv6 Home Networking Pilot

Tags: , | Posted in IPv6 | Posted on: April 26th, 2012 by | No Comments
comcastlogo.png

This is huge! In a pair of blog posts today Comcast formally launched its IPv6 “Home Networking Pilot”: IPv6 Home Networking Pilot Market Launch Begins, by Jason Livingood IPv6 Home Networking Pilot Market Deployment Technical Details, by John Jason Brzozowski As I explained in an earlier post about this impending launch, support for home networks Read more…


Comcast Enables IPv6 For Xfinity and Xfinity TV

Tags: , | Posted in Case Studies, IPv6 | Posted on: April 12th, 2012 by | No Comments
comcastlogo.png

Great news out of Comcast this week related to IPv6 – they have now made two of their major content portals available over IPv6!  From their comcast6.net page on April 10, 2012: The newest part today moves two of our major portal sites to IPv6, including Xfinity andXfinityTV. This critical move was made possible via close cooperation Read more…


Comcast Releases Detailed Analysis of NASA.gov DNSSEC Validation Failure

Tags: , | Posted in DNSSEC | Posted on: January 25th, 2012 by | 2 Comments

Did you see all the tweets and mentions on the web last week about Comcast apparently blocking NASA’s website on their network? While it made for great headlines, the truth was that there was an error with the DNSSEC signing of the NASA.gov domain and now that Comcast has deployed DNSSEC-validating DNS servers those DNS Read more…


Comcast Gives 17.8M Customers Access to DNSSEC-validating DNS Servers

Tags: , | Posted in DNSSEC | Posted on: January 10th, 2012 by | 1 Comment

In a rather huge step for DNSSEC deployment, Comcast, the largest Internet Service Provider (ISP) in the United States, announced that they have completed the deployment of DNSSEC and have given their 17.8 million customers access to DNSSEC-validating DNS servers. Their post states in part: As of today, over 17.8M residential customers of our Xfinity Read more…