The Internet domain structure

In the United States, the Internet domain name space is divided into several organizational and geographical top-level domains. Other countries follow similar structures.

In the US, some of the top-level domains include:

COM

commercial organizations

EDU

educational organizations

GOV

government organizations

INT

international organizations

MIL

military departments

NET

networking organizations

ORG

miscellaneous organizations

Geographical domains follow the standard ISO 3166, which contains abbreviations for each country (for example, ca, ch, it, for Canada, Switzerland, and Italy, respectively).