The DNS is an essential part of the internet, it translates hostnames such as 0x9900.com into IP addresses 220.127.116.11. DNS also plays an important role for routing emails.
Post tagged: Network
At home I have two networks, one for my family and me and one for my guests. Once you are on the family network you can access our backup server, our music and video server, our printers, etc. The guest network can only access to the internet.