What Is Domain Name?

Domain name is a name that identifies one or more IP addresses.

For example, the domain name microsoft.com represents a lot of IP addresses. Domain names are used in URLs to identify particular Web pages. For example, in the URL http://www.armocode.com/index.htm, the domain name is armcode.com.

Every domain name has a suffix that indicates which top level domain (TLD) it belongs to. There are only a limited number of such domains. For example:

gov - Government agencies
edu - Educational institutions
org - Nonprofit organizations
mil - Military
com - Commercial business
net - Network organizations
ca - Canada
us - USA

Because the Internet is based on IP addresses, not domain names, every Web server requires a Domain Name System (DNS) server to translate domain names into IP addresses.

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