[dns-operations] k2.nap.k.ripe.net instance of K root server dropping IPv6 TCP connections?

Wolfgang Nagele wnagele at ripe.net
Wed Mar 24 17:43:43 UTC 2010

Hi Chris,

We are investigating this issue.


On 3/24/10 18:23, Chris Thompson wrote:
> We are seeing
> $ dig -6 +vc hostname.bind txt ch   @k.root-servers.net
> ;; communications error to 2001:7fd::1#53: connection reset
> $ dig -6 +noall +answer hostname.bind txt ch   @k.root-servers.net
> hostname.bind.          0       CH      TXT     "k1.nap.k.ripe.net"
> Is anyone else seeing the same? Via IPv4 we get to instance
> k2.ams-ix.k.ripe.net, which does TCP ok.
> I noticed this only because of the DURZ deployment on k.root-servers.net
> this afternoon (DNSKEY responses for "." are over 512 bytes at the moment)
> so it may have been happening before. I suspect not for long, though, or
> I would have seen it while tracking the signed "arpa" deployment...

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