.eu is the country code top-level domain (ccTLD) for the European Union (EU). Launched on 7 December 2005, the domain is available for any person, company or organization based in the European Union. This was extended to the European Economic Area in 2014, after the regulation was incorporated into the EEA Agreement, and hence is also available for any person, company or organization based in Iceland, Liechtenstein and Norway. The TLD is administered by EURid, a consortium originally consisting of the national ccTLD registry operators of Belgium, Sweden, and Italy, joined later by the national registry operator of the Czech Republic. Trademark owners were able to submit registrations through a sunrise period, in an effort to prevent cybersquatting. Full registration started on 7 April 2006.
.us is the Internet country code top-level domain (ccTLD) for the United States. It was established in early 1985. Registrants of .us domains must be U.S. citizens, residents, or organizations, or a foreign entity with a presence in the United States. Most registrants in the U.S. have registered for .com, .net, .org and other gTLDs, instead of .us, which has primarily been used by state and local governments, even though private entities may also register .us domains.
.uk is the Internet country code top-level domain (ccTLD) for the United Kingdom. It was first registered in July 1985, seven months after the original generic top-level domains such as .com and the first country code after .us.
.se, formerly branded as .SE, is the Internet country code top-level domain (ccTLD) for Sweden. The top domain is operated by The Internet Foundation in Sweden but domains must be registered through one of the approved registrars. The Internet Foundation in Sweden is managed on the basis of its charter of foundation and its statutes. The Foundation is managed by a Board of Directors, whose decisions are executed by the executive management.
.ie is the country code top-level domain (ccTLD) which corresponds with the ISO 3166-1 alpha-2 code for Ireland. The Internet Assigned Numbers Authority (IANA) list the Computing Services Computer Centre of University College Dublin as its sponsoring organisation for the .ie domain. Since 2000 the business of administrating the domain registry has been handled by IE Domain Registry Limited. Domain name registration is open to individuals located in, or with a significant connection with, any part of the island of Ireland.
A country code top-level domain (ccTLD) is an Internet top-level domain generally used or reserved for a country, sovereign state, or dependent territory identified with a country code. All ASCII ccTLD identifiers are two letters long, and all two-letter top-level domains are ccTLDs.
.ar is the Internet country code top-level domain (ccTLD) for Argentina. It is administered by NIC Argentina. Registering an .ar domain directly is now allowed. Previously, only 9 of the second-level domains listed below were open for registration, and a local presence in Argentina was required. Recently the extension has become synonymous with Augmented Reality and is being by many prominent AR and XR startups.
.bb is the Internet country code top-level domain (ccTLD) for Barbados.
.sa is the Latin alphabet Internet country code top-level domain (ccTLD) of Saudi Arabia. Domains of this type can be registered through SaudiNIC, a department of the Communications and Information Technology Commission. The Arabic alphabet ccTLD of Saudi Arabia is السعودية.
.uy is the Internet country code top-level domain (ccTLD) for Uruguay. Domain names can be registered at second-level or at third-level. As of 11 June 2012, second level .uy registrations are possible.
The Internet country code top-level domain (ccTLD) .io is nominally assigned to the British Indian Ocean Territory. The domain is operated commercially by Afilias, a domain name registry subsidiary of Ethos Capital.
.ge is the country code top-level domain (ccTLD) for Georgia. .ge top-level domain names are available for direct registration for individuals and companies worldwide, without any restriction on citizenship or residence. Second-level domain names are also available for registration for several specific types of registrants:
.mx is the Internet country code top-level domain (ccTLD) for Mexico, which in 2009 was re-opened to new registrations by NIC México. In 2009, the .mx ccTLD was rolled out in three steps:
.so is the internet country code top-level domain (ccTLD) for Somalia. After a long absence, the .so domain was officially relaunched on November 1, 2010, by .SO Registry, which is regulated by the nation's Ministry of Posts and Telecommunications. It was launched through various accredited registrars around the world.
.ly is the Internet country code top-level domain (ccTLD) for Libya.
.md is the Internet country code top-level domain (ccTLD) for Moldova introduced on March 24, 1994.
.na is the Internet country code top-level domain (ccTLD) for Namibia corresponding to the two letter code from the ISO-3166 standard.
.st is the Internet country code top-level domain (ccTLD) for São Tomé and Príncipe. The code is marketed worldwide as an abbreviation for various entities.
.tz is the Internet country code top-level domain for Tanzania. Historically and due to poor Internet Infrastructure, most top level domains in Africa were and some are still being technically managed by foreign experts. Through a consultative process, Tanzania Network information Centre (tzNIC), a not-for-profit company was established and registered to administer and manage the operations of the Tanzania country code top level domain. tzNIC is a limited company with two founding members – the Tanzania Communication Regulatory Authority and the Tanzania Internet Service Provider Association.
In the Domain Name System (DNS) hierarchy, a second-level domain is a domain that is directly below a top-level domain (TLD). For example, in example.com, example is the second-level domain of the .com TLD.
Bosnia and Herzegovina 