Common Domains

• com - Commercial
• edu - Educational Institutions
• gov - Government
• mil - Military
• net - Network (usually the Gateway or Administrative host for a given network)
• org - Organizations (i.e. The Association of Computing Machinery)
• Machines in foreign countries usually end in a two letter country code:
  • ca - Canada
  • fr - France
  • jp - Japan
  • mx - Mexico
  • uk - United Kingdom
  • us - United States
  • Etc.

New Domains are being added to this day in support of the growing Internet.