Ethical Hacking - Footprinting - NSLOOKUP

nslookup is one of the fantastis tool through which dns enumeration can be performed.

It can provides the following informations.

1. Ip addresses

2. Domain names

3. Sub domain names or computer names

4. Mail Servers

5. DNS Server

Sample Output

# nslookup

> set type=mx

> google.com

Server: x.x.x.x

Address: x.x.x.x#53

Non-authoritative answer:

google.com mail exchanger = 10 smtp3.google.com.

google.com mail exchanger = 10 smtp4.google.com.

google.com mail exchanger = 10 smtp1.google.com.

google.com mail exchanger = 10 smtp2.google.com.

Authoritative answers can be found from:

google.com nameserver = ns1.google.com.

google.com nameserver = ns2.google.com.

google.com nameserver = ns3.google.com.

google.com nameserver = ns4.google.com.

ns1.google.com internet address = 216.239.32.10

ns2.google.com internet address = 216.239.34.10

ns3.google.com internet address = 216.239.36.10

ns4.google.com internet address = 216.239.38.10

> exit

online nslookup is also available.

networking.ringofsaturn.com/Tools/nslookup.php

centralops.net/
www.nexperts.org/onlinenslookup.aspx
www.subnetonline.com/pages/network-tools/online-nslookup.php
enc.com.au/itools/nslookup.php