h.gtld-servers.net offline...

Will Hargrave will at harg.net
Thu Jun 15 14:37:03 UTC 2006


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



More information about the NANOG mailing list