[dns-operations] K-root is not responding

Baalakrishnan Nadar mbkrishnan at gmail.com
Thu Apr 14 12:48:48 UTC 2016


G-root is responding but now K-root is not responding.

;WHEN: Thu Apr 14 18:11:00 IST 2016

$dig @k.root-servers.net ns

; <<>> DiG 9.6-ESV-R11-P3 <<>> @k.root-servers.net ns
; (2 servers found)
;; global options: +cmd
;; connection timed out; no servers could be reached

Balakrishnan

On Thu, Apr 14, 2016 at 5:30 PM, <dns-operations-request at dns-oarc.net>
wrote:

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>    1. Re: g.root-servers.net UDP service (Brett)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 14 Apr 2016 11:53:55 +0100
> From: Brett <brettcarr at gmail.com>
> To: Stephane Bortzmeyer <bortzmeyer at nic.fr>
> Cc: dns-operations <dns-operations at dns-oarc.net>
> Subject: Re: [dns-operations] g.root-servers.net UDP service
> Message-ID:
>         <CAOSM_tgYhP+kJFYfG_c3GiQ=
> webD-L77fFZQieLOf7vSMB1ePA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
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> On 14 Apr 2016 11:20 a.m., "Stephane Bortzmeyer" <bortzmeyer at nic.fr>
> wrote:
> >
> > On Thu, Apr 14, 2016 at 11:15:57AM +0100,
> >  Brett <brettcarr at gmail.com> wrote
> >  a message of 28 lines which said:
> >
> > > I also note that the problem seems to be apparent at multiple
> > > Anycast end points I can see it in US and JP.
> >
> > Yes, see the link I sent (DNSmon), where the tests are performed by
> > many RIPE Atlas probes around the world.
>
> Yes sorry my brain isn't switched on this morning.
>
> >
> > The fact that all six anycast instances of G-root switched at the same
> > time seems to indicate a deliberate decision, not a local glitch.
>
> Or maybe a mistake in a central configuration management system.
>
> Brett
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