[dns-operations] Query to g.root-servers.net/192.112.36.4 timing out

Anand Buddhdev anandb at ripe.net
Mon Mar 14 09:56:28 UTC 2011


On 14/03/2011 08:57, George Barwood wrote:

> When running the verisign tool
> 
> http://dnssec-debugger.verisignlabs.com/uk
> 
> quite often (maybe 1 in ten times) it reports timeouts when querying
> g.root-servers.net, e.g.
> 
> "Query to g.root-servers.net/192.112.36.4 for ./DNSKEY timed out or
> failed"
> 
> I think this has been going on for some time.
> 
> My guess is that there may be some kind of network/firewall problem
> with g.root-servers.net, although I don't see timeouts when I query
> directly.

Hi George,

The RIPE NCC DNSMON tool shows that some probes are also experiencing
packet loss towards G-root since yesterday.

I've notified the G-root operators of the issue.

Regards,

Anand Buddhdev
RIPE NCC



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