Using wildcards is a good idea because new ad trails tend to cause the
addition of new hosts, i.e.:
x10.com. IN A 127.0.0.1
*.x10.com. IN A 127.0.0.1
Also don't forget about NOTIFY - put this in your named.conf:
notify no;
Later
Mark Hittinger
Earthlink
bugs at freebsd.netcom.com