Can't get sub level webs to display on internet

Can’t view sub webs out side of LAN.

It works on local server.

Main site top level works
www.gmpbc.com

Sub level sites don’t work ,try site to see if you can help

tno.gmpbc.com

gmp.gmpbc.com

OS debian 4
virtualmin Pro

Hmm, it doesn’t look like there is DNS setup for your two sub-domains.

Are you sure the DNS feature is enabled?

If so, you may want to look in the log files after restarting BIND to make sure there aren’t any errors.
-Eric