Gov belongs to the government.

. Com: commercial organization, anyone can register;

. Edu: educational institution;

. Gov: government departments;

. Int: international organization;

. Mil: U.S. military department;

. Net: Network organizations, such as Internet service providers and repairers, can now be registered by anyone;

. Org: non-profit organization, anyone can register;

. Biz: business;

. Info: network information service organization;

In favor: used by accountants, lawyers and doctors. ;

. Name: for individuals;

. Museum: used in museums;

. Coop: for commercial cooperative groups;

Aero: used in aviation industry;

. Xxx: for adult and pornographic websites;

. Idv: for personal use