Re: Authoritative DNS server for 12.54.94.0/23 PTR

[Keegan Holley <keegan.holley () sungard com>]

Looks like I typo'd the third octet.

2011/9/27 Keegan Holley <keegan.holley () sungard com>

> it looks like ATT still answers the queries.  I'd assume that any changes
> would have to be authorized by the customer though.  Why not just call
> Siemens Medical?
>
> ; <<>> DiG 9.6.0-APPLE-P2 <<>> -x 12.54.91.1
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21619
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;1.91.54.12.in-addr.arpa.    IN    PTR
>
> ;; AUTHORITY SECTION:
> 54.12.in-addr.arpa.    900    IN    SOA    xbru.br.ns.els-gms.att.net.
> rm-hostmaster.ems.att.com. 1179 86400 10000 600000 172800
>
>
>
>
> 2011/9/27 Mike Gatti <ekim.ittag () gmail com>
>
> > Hello Nanog Members,
> >
> > We have been having some issue doing reverse lookups for ip's in the
> > 12.54.94.0/23 prefix. We know that this block is assigned to AT&T and
> > AT&T has assigned that block to Siemens Medical (based on whois queries). We
> > are now trying to find out who would be the authoritative DNS server that
> > would resolve PTR queries for these IP addresses. Would someone from AT&T
> > (or Siemens) or someone that has that info please contact me offline to
> > discuss?
> >
> > Thanks Everyone,
> > --
> > Michael Gatti
> > cell.949.735.5612
> > ekim.ittag () gmail com
> > (UTC-8)