Olaf Kolkman has written a really nice extension to Net::DNS that adds DNSSEC support. I would add it to the main distro if not for one thing: it needs some modules from Crypt::*. I know from personal experence that getting those modules installed and working can be a challange, plus I don't know how well they work on windows, which Net::DNS has basic support for now.
I think I need to dive into MakeMaker some and get something like this going:
$ perl Makefile.pl DNSSEC=1