wildcards and A records

Mark Andrews Mark_Andrews at isc.org
Fri Oct 29 00:14:13 UTC 2004


> In article <clm42v$1nv3$1 at sf1.isc.org>,
>  stromboli2 at hotpop.com (Stromboli) wrote:
> 
> > Hi,
> > 
> > I have a simple question, I understand you can't use regular
> > expressions in A records but you can use wildcards. If I put a record
> > like this:
> > 
> > image*.mydomain.com            A  myip
> > 
> > if I user types images.mydomain.com or imagenes.mydomain.com will be
> > redirected to myip? or I just can a wilcard like *.mydomain.com (it's
> > the only type I've seen in the examples I looked)
> > 
> > Is there any related problems if you use something like 
> > image*.mydomain.com
> 
> The DNS specification only covers a wildcard when it's used all alone in 
> the leftmost label, e.g. *.mydomain.com.
> 
> With BIND 8 I've successfully used name.*.domain.com.  I don't know if 
> it still works in BIND 9.

	This is a bug which will be fixed.
 
> I don't think any version of BIND supports name*.mydomain.com.
> 
> -- 
> Barry Margolin, barmar at alum.mit.edu
> Arlington, MA
> *** PLEASE post questions in newsgroups, not directly to me ***
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org



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