Know your IP address, DNS Server's address and a lot more about your Internet Connection

Command Prompt can even let you know your IP address. Just type ipconfig/ all in the command prompt and press Enter. Along with your IP address and DNS servers, command prompt will also return a ton of information like your host name, primary DNS suffix, node type, whether IP Routing ,Wins Proxy, and DHCP are enabled, your network adapter's description, your physical (MAC) address etc . 

happy hacking :)