RBLchk is a simple utility that checks an IP address with the most useful and reliable RBLs (real-time blackhole lists).
Under the root account:
By default, rblchk will be installed into /usr/bin directory.
Usage: rblchk 127.0.0.2
What's New in This Release:
· The ORDB list was removed.
· Cosmetic enhancements were made.