Is "domain" a valid directive ?

[Mark Andrews]

> Hi all,
> Sorry for asking query on depricated version of BIND i.e. bind4, But I
> didn't find any specific mailing list to ask about bind4, So only
> posting the Question here.
> 
> Is there a directive called "domain" is valid for bind4?

	Yes.

> I have searched the net and various admin related book, but I didn't
> found anything about this domain directive in bind4.
> So I thought, there is no such directive in that name, but to my
> astonishment the bind4 daemon
> works fine without saying any error if I am having a domain directive
> in the named.boot as mentioned below
> "domain  mydomain.com"
> 
> Additionally if I run the migration script provided with bind9 source
> base i.e. named-bootconf under contrib directory it is simplpy
> ignoring the "domain" directive and goes on converting other keyword
> of bind4.

	Because it is a useless directive.  Any sane resolver rejects
	the result returned from BIND 4 if the domain directive takes
	effect.

> So is there really a directive called "domain" present in bind4 or
> bind4's named daemon don't parse the config file(named.boot) strictly.
> 
> Because if I am having such a line in bind9 config file, it is simply
> throwing an error and failing to start as opposite to bind4 one which
> start amicably

	BIND 9 is not BIND 4.
 
> thanks in advance
> 
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org