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What is Domain Name?

The unique name that identifies an Internet site. Domain Names always have 2 or more parts, separated by dots. The part on the left is the most specific, and the part on the right is the most general. A given machine may have more than one Domain Name but a given Domain Name points to only one machine.

For example, Apple Computer (Domain Name "") has Web sites at and Each of these sites could be served on different machines.

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