You don't have to create a DNS A record for the sub-domain. If you have a CNAME record with *.domain.com pointing to domain.com you can make as many sub-domains as you will, and they will all get directed to your server.
It works fine for me at least.
Regards, Thomas
Bob King wrote:
>
> Don't worry mate, it works just fine. Set-up and I-Bay and
> point your Virtual Domain there. Remember to have a DNS A
> Record on your Name Server for your Virtual Domain pointing
> to your external IP address.
>
> That's all there is to it.