OzymanDNS is a suite of tools for experimenting with DNS. It includes a
number of tools:

   aska.pl - DNS File/Stream Sender
   geta.pl - DNS File/Stream Receiver
   nomde.pl - Experimental DNS Server
   droute.pl - Reliable DNS Transport for standard input/output
   glance - Represents IP addresses as dates

More information about all of these tools can be found in Dan Kaminsky's
Black Ops DNS 2003 Chaos Communications Camp slides:
http://www.ccc.de/congress/2004/fahrplan/files/297-black-ops-of-dns-slides.pdf