- [.ac] Ascension Island
- [.ad] Andorra
- [.ae] United Arab Emirates
- [.aero] Air transport
- [.af] Afghanistan
- [.ag] Antigua and Barbuda
- [.ai] Anguilla
- [.al] Albania
- [.am] Armenia
- [.an] Netherlands Antilles
- [.ao] Angola
- [.aq] Antarctica
- [.ar] Argentina
- [.as] American Samoa
- [.asia] Organisations and individuals in the Asia-Pacific region
- [.at] Austria
- [.au] Australia
- [.aw] Aruba
- [.ax] land Islands
- [.az] Azerbaijan
- [.ba] Bosnia and Herzegovina
- [.bb] Barbados
- [.bd] Bangladesh
- [.be] Belgium
- [.bf] Burkina Faso
- [.bg] Bulgaria
- [.bh] Bahrain
- [.bi] Burundi
- [.biz] Business
- [.bj] Benin
- [.bl] Saint Barthlemy
- [.bm] Bermuda
- [.bn] Brunei
- [.bo] Bolivia
- [.br] Brazil
- [.bs] Bahamas
- [.bt] Bhutan
- [.bv] Bouvet Island
- [.bw] Botswana
- [.by] Belarus
- [.bz] Belize
- [.ca] Canada
- [.cat] Catalan
- [.cc] Cocos (Keeling) Islands
- [.cd] Democratic Republic of the Congo
- [.cf] Central African Republic
- [.cg] Republic of the Congo
- [.ch] Switzerland
- [.ci] Cte d'Ivoire
- [.ck] Cook Islands
- [.cl] Chile
- [.cm] Cameroon
- [.cn] People's Republic of China
- [.co] Colombia
- [.com] Commercial organizations
- [.coop] Cooperatives
- [.cr] Costa Rica
- [.cu] Cuba
- [.cv] Cape Verde
- [.cx] Christmas Island
- [.cy] Cyprus
- [.cz] Czech Republic
- [.de] Germany
- [.dj] Djibouti
- [.dk] Denmark
- [.dm] Dominica
- [.do] Dominican Republic
- [.dz] Algeria
- [.ec] Ecuador
- [.edu] Educational establishments
- [.ee] Estonia
- [.eg] Egypt
- [.eh] Western Sahara
- [.er] Eritrea
- [.es] Spain
- [.et] Ethiopia
- [.eu] European Union
- [.fi] Finland
- [.fj] Fiji
- [.fk] Falkland Islands
- [.fm] Federated States of Micronesia
- [.fo] Faroe Islands
- [.fr] France
- [.ga] Gabon
- [.gb] United Kingdom
- [.gd] Grenada
- [.ge] Georgia
- [.gf] French Guiana
- [.gg] Guernsey
- [.gh] Ghana
- [.gi] Gibraltar
- [.gl] Greenland
- [.gm] Gambia
- [.gn] Guinea
- [.gov] US government
- [.gp] Guadeloupe
- [.gq] Equatorial Guinea
- [.gr] Greece
- [.gs] South Georgia and the South Sandwich Islands