How does the DNS (Domain Name Server) system work?
In order for a domain name to be available for viewing on the internet, it must be assigned to an IP (Internet Protocol) address first. IP addresses are a series of four numbers that are unique to each computer (server) that is a connection point to the internet. An example of an IP address would be the one for Yahoo: 66.94.230.37. Mahines on the internet can quickly find each other based on their IP addresses. The DNS system is a huge global database that points domain names to specific IP addresses, called name servers. For example, when you type yahoo.com into your browser’s address window, your browser accesses the DNS database and sees that yahoo.com is assigned to the the name server IP of 66.94.230.37. Your browser now knows where to find Yahoo and in an instant the Yahoo website appears on your screen. Think of it as the computing version of what we humans do when we look up someone’s address in the phone book. And just like people, domain names can move from one name server /
