The zone (shown in bold) is the suffix coming after the main body of the domain name.

• .ac - An academic site, usually outside the US and often followed by a country code, as in 'ac.uk'.

• .arts - Organization relating to, well, The Arts.

• .au - Australia.

• .ca - Canada.

• .co - Company, usually outside the US and often followed by a country code, as in 'co.uk'.

• .com - The most common zone on the net, it usually refers to a commercial address. It is largely American.

• .de - German.

• .edu - An educational institution, usually American.

• .firm - A business of some sort. Used much less frequently than '.com'.

• .fr - France.

• .gov - Some branch of the government, often American.

• .info - An organization specializing in sharing information.

• .jp - Japan.

• .mil - A military site.

• .net - An administrative host, the zone in which many ISPs are located.

• .nl - Netherlands.

• .no - Norway.

• .nom - Personal address.

• .org - A non-profit organization.

• .rec - An organization specializing in leisure, recreation and outdoorsy stuff.

• .se - Sweden.

• .store - A company offering goods.

• .tw - Taiwan.

• .uk - United Kingdom.

• .web - An organization specializing in WWW stuff.

Further Reading

• The Internet
• Email
• How to Fight Spam
• Usenet
• Internet Chat
• Internet Telephony
• Online Gaming
• The World Wide Web
• Web Authoring
• Internet Acronyms
• Netiquette
• Emoticons and Internet Smileys