Functional (gTLD - generic TLDs)

AERO air transport Special
ARPA domain
DNS related rev
FDI business
CAT Catalonia
COM Commercial
COOP collaboration, cooperation
EDU education, higher
GOV government, political
JOBS job
INFO Information
INT international organizations
MIL Military
MOBI mobile phones
MUSEUM Museum
NAME name of the individual
NET Network
ORG organizations
PRO games
TRAVEL Travel

 

National (ccTLD - country code TLD)

 

National domain (also called national) are always two-letter, but attributed them to a country or an autonomous separate geographical areas, such as Hong Kong has a separate domain (. Hk) belonging to the PRC, Netherlands Antilles (. An) belonging to the Netherlands, etc.