On Fri, 12 Nov 2010, M. Meadows 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!
Try adding "+norec" to the dig command to disable recursion by the server:
dig +norec -t ns <name> @<server>
That will get the NS records as known by the parent above the delegation cut,
instead of the NS records as known by the child below the delegation cut.
Differences in those sets can sometimes be, shall we say, interesting.
________________________________________________________________________
Jay Ford, Network Engineering Group, Information Technology Services
University of Iowa, Iowa City, IA 52242
email: jay-f...@uiowa.edu, phone: 319-335-5555, fax: 319-335-2951
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