[dns-operations] g.root-servers.net not reachable over IPv6 from AS3320

Shane Kerr shane at time-travellers.org
Fri Feb 14 15:02:47 UTC 2020


Winfried,

On 14/02/2020 14.19, Winfried Angele wrote:
> 
> g.root-servers.net cannot be reached from AS3320 over IPv6. Is anyone 
> else affected?
> 
> dig @2001:500:12::d0d
> 
> ; <<>> DiG 9.14.9 <<>> @2001:500:12::d0d
> ; (1 server found)
> ;; global options: +cmd
> ;; connection timed out; no servers could be reached

It works from here:

$ dig -6 @2001:500:12::d0d +short
l.root-servers.net.
i.root-servers.net.
c.root-servers.net.
g.root-servers.net.
d.root-servers.net.
k.root-servers.net.
b.root-servers.net.
e.root-servers.net.
f.root-servers.net.
a.root-servers.net.
j.root-servers.net.
m.root-servers.net.
h.root-servers.net.

Note that the RIPE NCC has a running measurement against all kinds of 
"important" DNS servers called DNSMON, which includes the root servers:

https://atlas.ripe.net/dnsmon/group/g-root

You can check that at any time.

Cheers,

--
Shane


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