[90816] in North American Network Operators' Group
Re: h.gtld-servers.net offline...
daemon@ATHENA.MIT.EDU (Will Hargrave)
Thu Jun 15 10:39:23 2006
Date: Thu, 15 Jun 2006 15:37:03 +0100
From: Will Hargrave <will@harg.net>
To: Joe Abley <jabley@ca.afilias.info>
Cc: NANOG list <nanog@nanog.org>
In-Reply-To: <806890CD-3A4D-4065-B0F2-0E80211E4098@ca.afilias.info>
Errors-To: owner-nanog@merit.edu
Joe Abley wrote:
> I think you're mistaken about the server being off-line, since I can see
> it just fine from many places. The RIPE NCC dnsmon tool can also see it
> from its various probes:
> http://dnsmon.ripe.net/dns-servmon/server/?server=h.gtld-servers.net&show=SHOW
That's old data. This is a recent incident. (IIRC, the most recent data isn't
publicly available).
It's rolled over and you can see it going down in the live interface now:
http://dnsmon.ripe.net/dns-servmon/server/plot?type=drops&server=h.gtld-servers.net&day=15&month=6&year=2006&hour=6&period=2h&shift=%2B6h
> I don't know any details about how that servers is deployed, however, so
> it's non-trivial to draw more conclusions about what problems you're
> having. Perhaps a single anycast node has some issues, or perhaps
> 192.54.112.0/24 has flapped a bit, and has been suppressed due to
> dampening in your neck of the woods.
I did (and do) check on multiple ASs that I run and asked a few others to
check, also checked looking glasses and so on.
But anyway, it's back now, so nothing to see. Obviously a local problem of some
sort.
Will
