rbllookup is a small perl script which allow you to check given IP/host
name.

In this version you have statically inserted RBL servers, but code is based
on GPL source, so you can easy add more/replace/delete RBL servers by
editing rbllookup.pl file.

Also, author looking for support from programmers for ideas, codefix, new
features, switch to c/c++, gui version?

WWW: http://rbllookup.sourceforge.net