A domain name registry is a database of all domain names and the associated registrant information in the top level domains of the Domain Name System (DNS) of the Internet that enables third party entities to request administrative control of a domain name. Most registries operate on the top-level and second-level of the DNS.
.ca is the Internet country code top-level domain (ccTLD) for Canada. The domain name registry that operates it is the Canadian Internet Registration Authority (CIRA).
.ba is the Internet country code top-level domain (ccTLD) for Bosnia and Herzegovina. It is administered by the University Teleinformation Center.
.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.
.th is the Internet country code top-level domain (ccTLD) for Thailand.
.es (españa) is the country code top-level domain (ccTLD) for Spain. It is administered by the Network Information Centre of Spain.
.id is the Internet country code top-level domain (ccTLD) for Indonesia. Since 2007, it is managed by the Indonesian Internet Domain Name Administrator, based on regulation set by Decree of Minister of Communication and Information Technology.
.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.
.mo is the Internet country code top-level domain (ccTLD) for Macau.
.gm is the country code top-level domain (CCTLD) of The Gambia.
.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:
.gt is the Internet country code top-level domain (ccTLD) for Guatemala. Registrations are taken directly at the second level under .gt, as well as third level under some second level labels.
.lk is the Internet country code top-level domain (ccTLD) for Sri Lanka. Foreign companies who do not have a local presence can only reserve their top-level and corresponding open second-level domains. In order to register and use a name they must have a contact address in Sri Lanka.
.lv is the Internet country code top-level domain (ccTLD) for Latvia. It was introduced on 29 April 1993, two years after the country's independence.
.mt is the Internet country code top-level domain (ccTLD) for Malta.
.na is the Internet country code top-level domain (ccTLD) for Namibia corresponding to the two letter code from the ISO-3166 standard.
.ni is the Internet country code top-level domain (ccTLD) for Nicaragua.
.tj is the Internet country code top-level domain (ccTLD) for Tajikistan. Registrations are processed via accredited registrars.
.tz is the Internet country code top-level domain for Tanzania. 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.
