zone.pl is a small Perl CGI for ISC BIND DNS zone editing. It relies quite heavily on your browsers JavaScript support.
Don't expect this script to work out of the box for you. You'll have to add some minimum glue code for authentication and authorization. Read the source for more information.
Here's a (rather non-functional) demonstration page that gives some vague impression about the user interface part. And here's the source: zone.pl.gz (version: 1.58 2004/11/29 20:47:34, size: about 8kB, license: GPL).