HostDB is a system for generating internal DNS zones, external DNS zones,
and DHCP configuration data from the same hostlist.txt file.
Keep your configurations consistent by generating them all from the same
source. 

A system for generating internal DNS zones, external DNS zones, and
DHCP configuration data from the same simple repository.

WWW: http://code.google.com/p/hostdb
     http://everythingsysadmin.com/hostdb