Lookup of delegation NS records
Kevin Darcy
kcd at chrysler.com
Fri May 1 21:35:33 UTC 2009
Cherney John-CJC030 wrote:
> Is there a way to do this if delegating nameserver is the nameserver for
> both the parent and child domain? I have a master and a slave and both
> need to not only be nameservers for the parent and the child, but both
> should also be delegated nameservers from the parent to the child.
>
> Thanks!
> jwc
>
> -----Original Message-----
> From: Alan Clegg [mailto:Alan_Clegg at isc.org]
> Sent: Saturday, March 28, 2009 8:42 AM
> To: Cherney John-CJC030
> Cc: bind-users at isc.org
> Subject: Re: Lookup of delegation NS records
>
> Cherney John-CJC030 wrote:
>
>> Is it possible to use nslookup or dig to look up delegation records? I
>>
>
>
>> can use them to get the nameservers for a particular domain, but I
>> also want to see the nameservers it would delegate to. So far, the
>> only way I can figure out to do that is to parse the actual db file.
>>
>
> dig +norec @delegating-server domain.name NS
>
>
Do an AXFR (non-incremental zone transfer) and look for the delegation
of the subzone.
Beware, however, that Ye Olde BIND 8 "mixes glue" in this case and
(incorrectly) shows the child NS records.
- Kevin
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