how to see ALL NS records in a zone file with dig

J. Enrique Díaz-Jolly josedia at cisco.com
Fri Nov 12 21:15:37 UTC 2010


This is for the same reason that you can not see the NS RR for all the
diferent domains when you dig NS RR for .com
You need to query the subdomain to find their delagation NS RR. Unless you
can list all the RR (zone xfer) you should query for the domain or
sub-domain. I.e. yahoo.com and hotmail.com are sub-domains from com.

So you have to query each of them to learn what their delegated NS are.





On 10-11-12 3:30 PM, "M. Meadows" <sun-guru at live.com> wrote:

>  
> If I use dig NS <domain name> I know I will see the NS records for the domain.
> I know I can do the same thing for other RR types. In the case where a zone
> file has RR records that define delegation for subdomains why can't I use this
> dig command to see those delegations? I assume this is easy and it's just
> something I've forgotten how to do. Thanks for any help you can provide!
>  
>        
> 
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--
 

José Enrique Díaz Jolly
Consulting Systems Engineer                                     Cisco
Systems, Inc.
Borderless Networks, Security                                    1800 Av.
McGill College 700
josedia at cisco.com  
Montréal, QC H3A-3J6
Phone: +52 (55) 5267-1231                                            Canada
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