How to cname the "<null>" hostname?

[joseph lang]

"M. Oesterwinter" wrote:
> 
> Morris Jones (mojo at notrump.whiteoaks.com) wrote:
> : Here's the thing.
> 
> : domain.com and www.domain.com have the same IP address.
> 
> : But supposedly it's bad form to put them in the zone file this
> : way (though obviously it works):
> 
> Why is this bad form?
> 
> : $ORIGIN domain.com.
> :               A       4.3.2.1
> : www           A       4.3.2.1
> 
It should be:
$ORIGIN domain.com.
          IN    A       4.3.2.1
 www      IN    CNAME   domain.com.

joe lang