Country Code for Top Level Domains
Here we are discussing some domains with their country and purpose.
| Domain | Country | Purpose |
| .AE | United Arab Emirates | Telecommunication Regulatory Authority (TRA). |
| .AF | Afghanistan | Ministry of Communications and IT. |
| .AS | American Samoa | AS Domain Registry. |
| .AT | Austria | .AT domain name is a vital part of your marketing and SEO strategy. |
| .AU | Australia | .au Domain Administration (auDA). |
| .BD | Bangladesh | Ministry of Post & Telecommunications Bangladesh Secretariat. |
| .BR | Brazil | Comite Gestor da Internet no Brasil. |
| .CA | Canada | Canadian Internet Registration Authority (CIRA) Auto rite Canadians pour les Enregistrements Internet (ACEI) |
| .CH | Switzerland | SWITCH The Swiss Education & Research Network. |
| .CN | China | Chinese Academy of Sciences The Computer Network Center |
| .CY | Cyprus | University of Cyprus. |
| .EE | Estonia | National Institute of Chemical Physics and Biophysics. |
| .EG | Egypt | Egyptian Universities Network (EUN). Supreme Council of Universities |
| .ES | Spain | Red.es |
| .EU | European Union | EURid vzw/asbl. |
| .FJ | Fiji | The University of the South Pacific IT Services. |
| .FR | France | AFNIC (NIC France) – Immeuble International. |
| .GB | United Kingdom | Reserved Domain – IANA. |
| .HK | Hong Kong | Hong Kong Internet Registration Corporation Ltd. |
| .HR | Croatia | CARNet – Croatian Academic and Research Network |
| .HU | Hungary | Council of Hungarian Internet Providers (CHIP). |
| .IN | India | National Centre for Software Technology |
| .IO | British Indian Ocean Territory | IO Top Level Domain Registry Cable and Wireless. |
| .IQ | Iraq | National Communications and Media Commission of Iraq. |
| .IR | Iran, Islamic Republic of | Institute for Studies in Theoretical Physics & Mathematics (IPM) |
| .IT | Italy | IIT – CNR |
| .JP | Japan | Japan Registry Services Co., Ltd. |
| .KP | Korea, Democratic People of Republic of | Korea Computer Center. |
| .KR | Korea Republic of | National Internet Development Agency of Korea (NIDA) |
| .KW | Kuwait | Ministry of Communications |
| .LA | Lao People’s Democratic Republic | Lao National Internet Committee (LANIC) Science Technology and Environment Agency. |
| .LB | Lebanon | American University of Beirut Computing and Networking Services. |
| .LK | Sri Lanka | Council for Information Technology LK Domain Registrar |
| .MX | Mexico | NIC-Mexico ITESM – Campus Monterrey |
| .NG | Nigeria | Nigerian Government c/o National Information Technology Development Agency (NITDA) |
| .NO | Norway | UNINETT Norid A/S |
| .NZ | New Zealand | InternetNZ |
| .PA | Panama | Universidad Tecnologica de Panama Panamanian Academic National Network. |
| .PK | Pakistan | PKNIC |
| .PS | Palestinian Territory, Occupied | Ministry Of Telecommunications & Information Technology, Government Computer Center |
| .QA | Qatar | Qatar Telecom (Q-Tel) Q.S.C. |
| .RU | Russian Federation | Coordination Center for TLD RU |
| .SA | Saudi Arabia | Communications and Information Technology Commission |
| .SG | Singapore | Singapore Network Information Centre (SGNIC) Pte Ltd |
| .TH | Thailand | Thai Network Information Center Foundation |
| .TR | Turkey | Middle East Technical University Department of Computer Engineering |
| .UA | Ukraine | Communication Systems Ltd |
| .UK | United Kingdom | Nominet UK |
| .US | United States Minor Outlying Islands | Not assigned |
| .YE | Yemen | Tele Yemen |
| .ZA | South Africa | ZA Domain Name Authority |
| .ZM | Zambia | ZAMNET Communication Systems Ltd |
| .ZW | Zimbabwe | Postal and Telecommunications Regulatory Authority of Zimbabwe (POTRAZ) |
Generic High-Level Domains
The High-level domains in the below table are recognized by (ICANN) Internet Corporation for Assigned Names and Numbers, That operates the (IANA) Internet Assigned Numbers Authority and it’s duty of maintaining root zone of the DNS.
| Domain | Definition | Purpose |
| .COM | Commercial | Business |
| .GOV | Government | Universities |
| .EDU | Education | U.S federal government agencies |
| .INT | International | Organization established by international treaties |
| .MIL | Military | U.S Military |
| .NET | Network | Network providers, administrator computer, network node computer |
| .ORG | Organization | Non-profit and miscellaneous organization. |
Generic Restricted Top-Level Domains
The below table contains the Generic-Restricted high-level domain, its definition, and purpose.
It is similar to the generic High-level domains, only eligibility is intended to be restricted.
Restricted to credentialed professionals and related entities.
| Domain | Definition | Purpose |
| .BIZ | Restricted for Business | It is used businesses |
| .NAME | Reserved for individuals | The Global Name Registry |
| .PRO | PRO is used to promote your professional services or entities.your website as it go to place for information about a certain topic. |
Sponsored Top-Level Domains
It is a special category of High-level domains (Top-level Domain) in the (DNS) Domain Name System maintained by (IANA). Internet Assigned Numbers Authority sTLDs has a sponsor for specific purposes.
| Domain | Definition | Purpose |
| .AERO | Reserved for members of the air-transport industry | Society International de Telecommunications Aeronautique S.C. (SITA SC) |
| .ASIA | Restricted to the Pan-Asia and Asia Pacific community | Dot Asia Organization Ltd. |
| .CAT | Reserved for the Catalan linguistic and cultural community | Fundacio puntCAT |
| .COOP | Reserved for cooperative associations | Dot Cooperation LLC |
| .JOBS | Reserved for human resource managers | Employ Media LLC |
| .MOBI | Reserved for consumers and providers of mobile products and services | mTLD Top Level Domain Limited dba dot Mobi |
| .MUSEUM | Reserved for museums | Museum Domain Management Association |
| .TEL | Reserved for businesses and individuals to publish their contact data | Telnic Ltd |
| .TRAVEL | Reserved for entities whose primary area of activity is in the travel industry | Tralliance Registry Management Company, LLC. |