List of Domain Name Suffixes and Extensions for Websites

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Dot com domain extension

Domain Names: The Universal Method for Naming Websites

A domain name is a method of identifying internet websites designed to help people tell the difference between sites on the internet or world wide web. Domain names are used in various networking contexts and application-specific naming and addressing purposes. They are organized in subordinate levels (sub-domains) of the DNS root domain.

The first-level set of domain names are the top-level domains (TLDs), including the generic top-level domains, such as the .com, .net and .org, and the country code top-level domains (ccTLDs).

Below the top-level domains are the second-level and third-level domain names that are typically open for reservation by end-users that wish to connect local area networks to the Internet, run websites, or create other publicly accessible Internet resources. The registration of these domain names is usually administered by domain name registrars who sell their services to the public. Individual Internet host computers use domain names as host identifiers, or hostnames. Hostnames are labels in the domain name system usually without further subordinate domain name space.

Hostnames appear as a component in Uniform Resource Locators (URLs) for Internet resources such as web sites (e.g., www.einvestigator.com).

Domain names are also used as simple identification labels to indicate ownership or control of a resource. Such examples are the realm identifiers used in the Session Initiation Protocol (SIP), the DomainKeys used to verify DNS domains in e-mail systems, and in many other Uniform Resource Identifiers (URI).

An important purpose of domain names is to provide easily recognizable names to numerically addressed Internet resources.

Domain names are often referred to simply as domains. Domain name registration with a registrar does not confer any legal ownership of the domain name, only an exclusive right of use.

Additional Resources

The following are resources for looking up and verifying domain names, determining ownership, etc. These sites are offered both for those who are interested in registering their site, and for detectives who need to conduct research into the ownership of a particular website.

  • Afilias – Search for the availability of .info names
  • BookMyName.com – Registrar for domains located in France
  • Domain Name Suffixes – A list of domain name suffixes and extensions.
  • Domain Processor – Website domain name registration for .com .net .org .biz and .info extensions.
  • DomainPeople.com – International accredited top level domain registrar.
  • Network Solutions Whois – Provides a form to find details about registered domain names.
  • Reverse DNS Lookup – This service converts an IP address to the host name by searching  domain name service tables
  • Whois Source – Domain name search tool that allows a wildcard search
  • XWhois.com – Whois service to check domain registration from nearly all registries worldwide

Domain Name Suffixes

Domain name suffixes are the extensions found at the end of a website address (URL) or e-mail address that signify the category of a particular web site. The list of extensions is constantly growing. The information may be helpful in conducting investigations related to website hacking, identity theft and online bullying.

ac – Top-level domain name for an educational network (same as .edu).

.ad – Andorra

.ae
United Arab Emirates

.af
Afghanistan

.ag
Antigua and Barbuda

.ai
Anguilla

.al
Albania

.am
Armenia

.an
Netherlands Antilles

.ao
Angola

.aq
Antarctica

.ar
Argentina

.arpa
A top-level domain name used for ArpaNet sites.

.as
American Samoa

.at
Austria

.au
Australia

.aw
Aruba

.az
Azerbaijan

.ba
Bosnia/Herzegovinia

.bb
Barbados

.bd
Bangladesh

.be
Belgium

.bf
Burkina Faso

.bg
Bulgaria

.bh
Bahrain

.bi
Burundi

.bj
Benin

.bm
Bermuda

.bn
Brunei Darussalam

.bo
Bolivia

.br
Brazil

.bs
Bahamas

.bt
Bhutan

.bv
Bouvet Island

.bw
Botswana

.by
1. Belarus 2. Byelorussia

.bz
Belize

.ca
Canada

.cc
Cocos Islands – Keelings

.cf
Central African Republic

.cg
Congo

.ch
Switzerland

.ci
Cote D’Ivoire, or Ivory Coast

.ck
Cook Islands

.cl
Chile

.cm
Cameroon

.cn
China

.co
1. Colombia
2. Top-level domain name for some commercial networks, same as .com.

.com
A top-level domain name used for commercial Internet sites in the United States.

.cr
Costa Rica

.cs
Czechoslovakia (former)

.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
A top-level domain name used for educational sites in the United States.

.ee
Estonia

.eg
Egypt

.eh
Western Sahara

.er
Eritrea

.es
Spain

.et
Ethiopia

.fi
Finland

.firm
An ending of an address for an Internet site for a business. Example: http://www.legal.firm.

.fj
Fiji

.fk
Falkland Islands/Malvinas

.fm
Micronesia

.fo
Faroe Islands

.fr
France

.fx
Metropolitan France

.ga
Gabon

.gb
Great Britain

.gd
Grenada

.ge
Georgia

.gf
French Guiana

.gh
Ghana

.gi
Gibraltar

.gl
Greenland

.gm
Gambia

.gn
Guinea

.gov
A top-level domain name used for a U.S. government website.

.gp
Guadeloupe

.gq
Equatorial Guinea

.gr
Greece

.gs
South Georgia and South Sandwich Islands

.gt
Guatemala

.gu
Guam

.gw
Guinea-Bissau

.gy
Guyana

.hk
Hong Kong

.hm
Heard and McDonald Islands

.hn
Honduras

.hr
Croatia/Hrvatska

.ht
Haiti

.hu
Hungary

.id
Indonesia

.ie
Ireland

.il
Israel

.in
India

.int
A top-level domain name used for international institutions.

.io
British Indian Ocean Territory

.iq
Iraq

.ir
Iran

.is
Iceland

.it
Italy

.jm
Jamaica

.jo
Jordan

.jp
Japan

.ke
Kenya

.kg
Kyrgyzstan

.kh
Cambodia

.ki
Kiribati

.km
Comoros

.kn
Saint Kitts and Nevis

.kp
North Korea

.kr
South Korea

.kw
Kuwait

.ky
Cayman Islands

.kz
Kazakhstan

.la
Laos

.lb
Lebanon.lc
Saint Lucia.li
Liechtenstein.lk
Sri Lanka.lr
Liberia.ls
Lesotho.lt
Lithuania.lu
Luxembourg.lv
Latvia.ly
Libya.ma
Morocco.mc
Monaco.md
Moldova.mg
Madagascar.mh
Marshall Islands.mil
A top-level domain name for a U.S. military site on the Internet..mk
Macedonia.ml
Mali.mm
Myanmar.mn
Mongolia.mo
Macau.mp
Northern Mariana Islands.mq
Martinique.mr
Mauritania.ms
Montserrat.mt
Malta.mu
Mauritius.mv
Maldives.mw
Malawi.mx
Mexico.my
Malaysia.mz
Mozambique.na
Namibia.nato
A top-level domain name used for NATO sites..nc
New Caledonia.ne
Niger.net
A top-level domain name used for Internet administrative sites in the United States..nf
Norfolk Island.ng
Nigeria.ni
Nicaragua.nl
Netherlands.no
Norway.nom
An ending of an address for a personal site on the Internet..np
Nepal.nr
Nauru.nt
Neutral Zone.nu
Niue.nz
New Zealand (Aotearoa).om
Oman.org
A top-level domain name for organizational Internet sites in the United States..pa
Panama.pe
Peru.pf
French Polynesia.pg
Papua New Guinea.ph
Philippines.pk
Pakistan.pl
Poland.pm
St. Pierre and Miquelon.pn
Pitcairn.pr
Puerto Rico.pt
Portugal.pw
Palau.py
Paraguay.qa
Qatar.re
Reunion.ro
Romania.ru
Russian Federation.rw
Rwanda.sa
Saudi Arabia.sb
Solomon Islands.sc
Seychelles.sd
Sudan.se
Sweden.sg
Singapore.sh
Saint Helena.si
Slovenia.sj
Svalbard and Jan Mayen Islands.sk
Slovakia.sl
Sierra Leone.sm
San Marino.sn
Senegal.so
Somalia.sr
Suriname.st
Sao Torme and Principe.store
The ending of an address for a website for a retail business. Example: http://www.variety.store..su
Former USSR.sv
El Salvador.sy
Syria.sz
Swaziland.tc
Turks and Caicos Islands.td
Chad.tf
French Southern Territory.tg
Togo.th
Thailand.tj
Tajikistan.tk
Tokelau.tm
Turkmenistan.tn
Tunisia.to
Tonga.tp
East Timor.tr
Turkey.tt
Trinidad and Tobago.tv
Tuvalu.tw
Taiwan.tz
Tanzania.ua
Ukraine.ug
Uganda.uk
United Kingdom.um
U.S. Minor Outlying Islands.us
United States.uy
Uruguay.uz
Uzbekistan.va
Vatican City State.vc
Saint Vincent and the Grenadines.ve
Venezuela.vg
British Virgin Islands.vi
U.S. Virgin Islands.vn
Viet Nam.vu
Vanuatu.web
An ending of an address for an Internet site that is about the World Wide Web.wf
Wallis and Futuna Islands.ws
Samoa.ye
Yemen.yt
Mayotte.yu
Yugoslavia.za
South Africa.zm
Zambia.zr
Zaire.zw
Zimbabw

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