[CentOS] how do I find out which nameserver returns a DNS query?

Ray Van Dolson rayvd at bludgeon.org
Mon Jul 7 15:28:17 UTC 2008

On Mon, Jul 07, 2008 at 05:25:58PM +0200, Rudi Ahlers wrote:
> Hi all
> If I do a "dig mydomain.co.za" from a Linux server, how do I know which DNS 
> nameserver returns the queries?
> I seem to have a faulty DNS server, but can't see which one, so I want to 
> find out which nameserver (if there's 4 - ns1.myserver, ns2.myserver, 
> ns3.myserver & ns4.myserver) returns the queries?

Towards the end of the output there should be a ;; SERVER: line that
will tell you.

But you should probably just force the query to go to each of your
listed servers and figure out which one is bad that way:

  dig @ns1.myserver query
  dig @ns2.myserver query


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