Cannot resolve DNS off public dns, but can via nameserver ip

Barry Margolin barmar at alum.mit.edu
Sat Aug 14 02:11:04 UTC 2010


In article <mailman.334.1281737169.15649.bind-users at lists.isc.org>,
 Mike Mackintosh <mike.mackintosh at angrystatic.com> wrote:

> That is correct. I made the change like that to get it working  
> temporarily. The registrar is pointing to the angrystatic.com  
> nameservers, which the zone file is referencing the  
> dns.angryserver.net host. I then had dns.angrystatic.com point to the  
> same IP address as dns.angryserver.net, so the domain could be  
> resolved. What would the side effects be leaving the NS in the zone  
> file to angryserver, but the registrar pointing to angrystatic?

You need glue records in the parent zone when the nameservers are in the 
zone they're hosting.  If you have:

angryserver.net. IN NS dns.angryserver.net.

and the A record for dns.angryserver.net expires, the nameserver can no 
longer be resolved.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***



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