Web Sites, Domain Names, And Name Servers (What’s DNS All About?)…
I explain Domain Name Servers and Name Servers to a friend of mine all the time. He builds web sites part time. I know he’s not alone; DNS confuses a lot of people.
The internet works by assigning an address to each device attached to it. This address is called an Internet Protocol Address or IP Address for short. It’s a 32 bit number that’s commonly written as 4 segments or octets (called an octet because each 4th is 8 bits) such as 10.10.1.1 or 216.54.217.22. Each octet can range between 0 and 255. This address works just like your street address: a packet (a chunk of communication between two devices) leaving your computer and heading for Google moves through devices call routers that route traffic on the internet. The router looks at the destination IP Address and knows which way to send the packet. Just like a letter moves through various post offices and delivery vehicles (mail man, mail trucks, airplanes, etc.) your little packet of internet traffic moves across various communication channels (phone lines, cable lines, fiber, etc.) and providers (UUNet, Cogent,...
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