Subdomain configuration.

[Mark_Andrews at isc.org]

> Hi all.
> 
> I have a local stand-alone name server resolving all requests for a
> domain (mydomain).
> 
> Recently, a new domain (subdomain.mydomain) is born. A different DNS
> server has been setup for resolution of names in this new domain.
> Assuming that all clients (for both domains) remain unchanged (in
> particular their resolv.conf), what have I to change in the first name
> server?
> 
> I've added the following lines in /etc/named.conf:
> 
> zone "subdomain.mydomain" {
>     type forward;
>     forwarders { 100.101.102.103; };
> }
> 
> where 100.101.102.103 is the IP address of the new name server.
> It seems to work. Is it correct? Is it enough?
> 
> Thanks a lot,
> Marcello.
> 
> 
	Don't do this.  You should delegate the subzone.

	In mydomain add:

	subdomain.mydomain. NS <nameofserver>
	<nameofserver> A 100.101.102.103

	If you are using global forwarding you will want
	to turn it off in the mydomain declaration.

	zone "mydomain" {
		...
		forwarders { /* empty */ };
	};
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org