Wildcard CNAME record?

Oliver Peter lists at peter.de.com
Wed Jan 16 15:39:13 UTC 2013


On Wed, Jan 16, 2013 at 10:33:03AM -0500, Barry Margolin wrote:
> In article <mailman.1072.1358349671.11945.bind-users at lists.isc.org>,
>  Oliver Peter <lists at peter.de.com> wrote:
> 
> > On Wed, Jan 16, 2013 at 02:57:48PM +0000, Baird, Josh wrote:
> > > Is it acceptable to have a wildcard CNAME?  Example:
> > > 
> > > *             IN           CNAME                somewhere.com.
> > > 
> > > Or, would it be advised to only use wildcard 'A' records?
> > 
> > Not valid since there should be SOA and NS records for somewhere.com,
> > the CNAME would conflict with them.
> 
> But wildcards only synthesize records that are actually queried for. If 
> no one ever asks for these SOA and NS records, the conflicts will never 
> occur. They're the DNS equivalent of trees falling in a forest.

Gah, mixed it up, was thinking the other way round.  Sorry.


-- 
Oliver PETER       oliver at opdns.de       0x456D688F
"You need healthy, natural sleep. Chew some Valerian root and get more exercise."
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