[dns-operations] Missing reverse for e.root-servers.net IP address?

[Ryan Rawdon]

On Jul 23, 2012, at 4:40 AM, sthaug at nethelp.no wrote:

> I can't lookup the PTR for e.root-servers.net (192.203.230.10). This
> server is located at NASA, as far as I can see, and is supposed to be
> served by ns{1,2,3}.nasa.gov according to for instance x.arin.net:
> 
> 230.203.192.in-addr.arpa. 86400 IN      NS      ns3.nasa.gov.
> 230.203.192.in-addr.arpa. 86400 IN      NS      ns1.nasa.gov.
> 230.203.192.in-addr.arpa. 86400 IN      NS      ns2.nasa.gov.
> 
> The nasa.gov name servers are at:
> 
> nasa.gov.               300     IN      NS      NS3.nasa.gov.
> nasa.gov.               300     IN      NS      NS2.nasa.gov.
> nasa.gov.               300     IN      NS      NS1.nasa.gov.
> 
> NS1.nasa.gov.           300     IN      A       198.116.4.189
> NS1.nasa.gov.           300     IN      AAAA    2001:4d0:8300:401::189
> NS3.nasa.gov.           300     IN      A       198.116.4.181
> NS3.nasa.gov.           300     IN      AAAA    2001:4d0:6300:401::181
> NS2.nasa.gov.           300     IN      A       198.116.4.185
> NS2.nasa.gov.           300     IN      AAAA    2001:4d0:2300:401::185
> 
> Trying PTR queries for 10.230.203.192.in-addr.arpa against the IPv4
> addresses for ns{1,2,3}.nasa.gov, I get REFUSED from all of them. I
> can't even reach the servers at the IPv6 addresses (no reply at all).

I can confirm that the 3 servers listed time out as well (over IPv6, from all 3 locations tested)


> 
> Anybody else seeing the same?
> 
> Steinar Haug, AS 2116
>