a domain default resolution

[Chris]

"Montse Seisdedos" <mseisdedos at mediafusion.es> wrote in message 
news:d459jl$pc3$1 at sf1.isc.org...
> Hello everybody:
> I want all sumdomains of a domain to resolve to a IP by default. That is:
>
> xxx.mydomain.com -> default ip
> yyy.mydomain.com -> default ip
>
> xxx, yyy is something that is not defined in mydomain.com file.
>
>
> I found a question in the FAQ archive about the same subget  but i 
> couldn't find the answer.
>
> Can anybody help me?
> Thanks in advance.
>
>

*  IN  A  111.222.333.444