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A little question about DNS. Given a domain, say:

example.com

I want to setup a subdomain like this:

sub.example.com

I want to delegate this zone to third party Name Servers(secondaries), say:

ns1.otherdomain.com
ns2.otherdomain.com

When defining the delegation within the zone file, should I specify the IP Addresses of the third party name servers, or I could just point to the FQDN of the DNS's the way I just pointed before?

Thanks.

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1 Answer 1

Since the servers you are delegating to are not within the sub.example.org zone all you should have to do is add a couple records like this.

sub             NS      ns1.otherdomain.com
sub             NS      ns1.otherdomain.com

If the DNS servers you where delegating to are within sub.example.org you would also need to provide glue records.

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