In the Domain Name System (DNS) hierarchy, a second-level domain (SLD or 2LD) is a domain that is directly below a top-level domain (TLD). For example...

countries, .co (an abbreviation of commercial) is used as a second-level domain in the Domain Name System used to route internet traffic. Domain registrants...

Single-letter second-level domains are domains in which the second-level domain of the domain name consists of only one letter, such as x.com. In 1993...

sequence .edu (short for educational) is in use in many countries as a second-level domain for academic institutions such as universities, colleges, and research...

A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet after the root domain. The top-level...

registration restrictions on second-level .co domains; any individual or entity in the world can register a .co domain. .CO Internet S.A.S. from Bogotá...

code second-level domain is a second-level domain to a country code top-level domain.[citation needed] Such a domain may be reserved by a domain name...

symbol Co .co (second-level domain), the Internet second-level domain meaning "commercial" .co, the Internet country code top-level domain (ccTLD) for...

The domain com is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet. Created in the first group of Internet domains at the beginning...

Below these top-level domains in the DNS hierarchy are the second-level and third-level domain names that are typically open for reservation by end-users...

Generic top-level domains (gTLDs) are one of the categories of top-level domains (TLDs) maintained by the Internet Assigned Numbers Authority (IANA) for...

list of Internet top-level domains (TLD) contains top-level domains, which are those domains in the DNS root zone of the Domain Name System of the Internet...

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...

Name Authority (ZADNA). Most domains are registered under the second-level domain .co.za. ZA is an abbreviation of the Dutch name for the country of...

authentication for each domain provides access control over the various levels of the domain. In the United Kingdom, the second-level domain names are standard...

account for 75% of all malicious domain registrations. A number of second-level domain names are also maintained by CoCCA, including "com.cc", "net.cc"...

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...

top-level domain (ccTLD) for Japan. It was established in 1986 and is administered by the Japan Registry Services. At the establishment of the .jp domain...

Library .co.uk – commercial entities and purposes (the most popular second-level domain for .uk, majority of .uk registrations are on .co.uk domain) .gov...

country code top-level domain (ccTLD) for Austria. It is administered by nic.at. The .at top-level domain has a number of second-level domains: .ac.at (reserved...

registration available, currently BTCL only allowing Second-level domain registration of .bd domain for only Bangladeshi citizens. Means, It only allows...

Hebrew-script equivalent to these second-level domains: .co.il .org.il .k12.il .net.il As a more private initiative the top-level domain .קום ("com") was registered...

operations for domain names under the second-level domains .com.ru, .net.ru, .org.ru and .pp.ru. The company RELCOM also proposes third-level registrations...

.th is the Internet country code top-level domain (ccTLD) for Thailand. It is administered by T.H.NIC Co., Ltd. (THNIC), the corporate entity of Thai...

Technology Co., Ltd. in Nanjing, China, and can be registered by anyone since November 18, 2014 without special requirements. A second level domain under the...

country code top-level domain for the Bailiwick of Guernsey. The domain is administered by Island Networks, who also administer the .je domain for neighbouring...

.coop is a sponsored top-level domain (sTLD) in the Domain Name System of the Internet. It is intended for the use of cooperatives, their wholly owned...

needed to register a .ma or .co.ma domain name. Further restrictions are imposed on the registering of other second-level domains (such as .net.ma or .gov...

Internet country code top-level domain (ccTLD) for Mozambique. Registrations are at the third level beneath the second-level names co.mz, net.mz, adv.mz, mil...

The domain name .tv is the Internet country code top-level domain (ccTLD) for Tuvalu. The domain name is popular, and thus economically valuable, because...