[ Thanks to Andrew
Weber for this link. ]
“There are several categories of zones that must be
configured. You need to have forward lookup zones, which allow the
nameserver to match names to IP Addresses. You’ll define
these zones in the /etc/bind directory, in files with the
“db” prefix.“Then, you’ll need to have matching reverse lookup zones,
which allow the nameserver to match IP Addresses to names.
Information for these zones will also be stored in the /etc/bind
directory, also in files with the “db” prefix.“Once you’ve installed BIND9, you can look in this
directory, and see that there are “db” files that
define some other types of zones that the nameserver needs to do
its job:”