The article How Web Servers and the Internet Work discusses the concept of domain names. "" is a domain name. The com portion of the name is called the top-level domain name. There is a very small set of generic top-level domain names, which you will probably recognize:

  • com - for commercial endeavors
  • org - for non-profit organizations
  • net - for network providers
  • mil - for military organizations
  • gov - for government organizations
  • edu - for educational organizations
There are also a number of top-level domain names for individual countries, including countries like Canada (ca), Australia (au) and the United Kingdom (uk).

IANA, the Internet Assigned Numbers Association, provides world-wide management of the top-level domain names.

Here are some interesting links: