North American Network Operators Group

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Re: TLD anycast clouds?

  • From: Steve Gibbard
  • Date: Wed Oct 05 14:57:05 2005


Am I reading your CENTR presentation correctly as saying that you're announcing all four prefixes from all five locations?


On Wed, 5 Oct 2005, Gustavo Lozano wrote:


.mx NS servers (a,b,c, are anycasted.

We announce dns servers prefixes from:

Alestra ATT
NYIIX trough ISC

If you want more details, we gave a presentation about our dns infrastructure in the last CENTR technical meeting.

At 05:07 p.m. 04/10/2005 -0700, Steve Gibbard wrote:

I'm attempting to come up with a list of all the top level domain DNS servers that are anycasted. I already know about the anycast clouds run by PCH, Neustar, Verisign, DENIC, and UltraDNS, and .mx appears from traceroutes to be anycasted as well.

(I know about the anycasted root servers as well; they're out of scope for this question...)

Are there others that I'm missing?

Steve Gibbard				[email protected]
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