How to Find Out Public IP Address via Command Line in Unix/Linux Machine

March 8, 2011 · by · in Systems

If you have more than 100 servers in your network; behind a firewall; lazy to access to documentation. Here is the alternative option to find out your machine’s public IP Address via command line $ wget -q -O – http://ipchicken.com…

Reverse DNS Lookup with Dig

January 22, 2011 · by · in Systems

Reverse DNS, in simple explanation it means that resolve your IP address into hostname. Nowaday it became a must have requirement for mail server’s IP address. It is also one of the method to determine your mail server IP is…