These scripts were taken from the BackTrack Wiki. For updates please check the original site.

Show IP addresses of domain servers.

#!/bin/bash

clear
echo
echo dns-forward
echo
echo
echo By Lee Baird
echo April 1, 2007
echo "v 0.21"
echo
echo "This script will show IP addresses of domain servers."
echo
echo Usage:  domain.com
echo Enter the domain.
echo
read domain
echo
echo "####################"
echo
for name in $(cat /pentest/enumeration/dnsenum/dns.txt);do
host $name.$domain | grep "has address" | cut -d " " -f4
done
echo

Performs a PTR DNS query on a Class C range and return FQDNs.

#!/bin/bash

clear
echo
echo dns-reverse
echo
echo
echo By Lee Baird
echo April 1, 2007
echo "v 0.2"
echo
echo "This script will perform a PTR DNS query on a Class C range and return FQDNs."
echo
echo Usage:  192.168.1
echo Enter the Class C range.
echo
read class
echo
echo "####################"
echo
for x in `seq 1 254`;do
host $class.$x | grep "name pointer" | cut -d " " -f5
done
echo

Submitted by Lee Baird