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Online! The Book by Wendy Taylor, Chris Pirillo, John C. Dvorak

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The Breakdown of a Domain Name

There are different levels of domains in the domain name. The second and third levels are the most important. The third level is actually optional on some sites.

  • Top Level (TLD)— .com, .net, .org, .edu, etc.

  • Second Level— business, shopping, search

  • Third Level— www, www1, www2, keyword (optional)

Top-Level Domain Names

The top-level domain (TLD) name is the extension, after the actual Web site name. In the 1990s, most top-level domain names were limited to .com, .net, .gov, .org, .mil, .edu, and international “country” designations.

  • .com refers to a commercial organization

  • .edu is for education institutions

  • .net refers to networking companies

  • .gov is reserved for government pages

  • .org is for organizations or nonprofits ...

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