nagios-plugins/contrib/rblcheck-dns

#!/usr/bin/perl
# Multi-RBL Query tool, developer Vikram <vr@udel.edu>
use strict;
use Socket;
my $suspect = $ARGV[1];

die "Syntax: $0 -H <ip address>\n" unless $suspect;

my @rblservers=qw[
	3y.spam.mrs.kithrup.com
	block.blars.org
	bl.redhatgate.com
	blackholes.five-ten-sg.com
	blackholes.intersil.net
	blackholes.mail-abuse.org
	blackholes.wirehub.net
	blacklist.spambag.org
	dev.null.dk
	dews.qmail.org	
	dialup.blacklist.jippg.org
	dialups.mail-abuse.org
	dnsbl.njabl.org
	dul.maps.vix.com
	dul.orca.bc.ca
	dynablock.wirehub.net
	formmail.relays.monkeys.com
	ipwhois.rfc-ignorant.org
	list.dsbl.org
	multihop.dsbl.org
	okrelays.nthelp.com	
	pm0-no-more.compu.net
	proxies.relays.monkeys.com
	rbl-plus.mail-abuse.org
	rbl.maps.vix.com
	rbl.spam.org.tr
	relays.mail-abuse.org
	relays.nthelp.com
	relays.ordb.org
	relays.radparker.com
	relays.visi.com
	sbl.spamhaus.org
	spamguard.leadmon.net
	spammers.v6net.org
	spamsources.fabel.dk
	spews.org
	unconfirmed.dsbl.org
	xbl.selwerd.cx
];


my $spam = 0;
foreach ( @rblservers ) {
	my @s = split('\.',$suspect);
	my $req = "$s[3].$s[2].$s[1].$s[0].".$_;

	my ($name,$aliases,$addrtype,$length,@addrs) = gethostbyname($req);
	next unless (@addrs);

        my $result = inet_ntoa($addrs[0]);
	#next unless (substr($result, 7) eq '127.0.0');

	print "$suspect is listed in the following RBLS: " if ( $spam == 0 );
	print $_, " ";
	$spam = 1;
}

print "$suspect is not listed in any RBLS" if ( $spam == 0 );
print "\n";
exit( $spam );