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