nanog mailing list archives

Re: Level3 DNS not resolving for our domains


From: Stephane Bortzmeyer <bortzmeyer () nic fr>
Date: Wed, 30 Dec 2015 23:44:00 +0100

On Wed, Dec 30, 2015 at 11:12:29PM +0100,
 Alarig Le Lay <alarig () swordarmor fr> wrote 
 a message of 35 lines which said:

Both are in the same AS, perhaps a routing issue?

Indeed. This is a warning in ZoneMaster
<https://zonemaster.net/test/b9c2efd5a10f2eb8> and I observe also that
10-15 % of the RIPE Atlas probes cannot resolve this name (so it is
not just Level 3). The name servers unfortunately do not reply to ICMP
echo so it is hard to debug.




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