nanog mailing list archives

Re: Am I the only one who thinks this is disconcerting?


From: Matthew Pounsett <matt () conundrum com>
Date: Thu, 9 Nov 2023 00:00:08 -0500

On Wed, Nov 8, 2023 at 2:12 AM Bryan Fields <Bryan () bryanfields net> wrote:


Could these be related to the fact that dnsvis.net is trying to reach these
servers via IPv6 and I think they use Hurricane for transit.  Since HE and
Cogent is a major gap, this causes them to time out trying to reach the C root
server over IPv6.

We have a tunnel set up to allow DNSViz to reach C-root, however
anything else single-homed on Cogent is unreachable to DNSViz via
IPv6.


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