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The .ZA Domain Name Authority (ZADNA) is the statutory regulator and manager of the .ZA namespace. Its mandate includes regulating all the operators of .ZA second level domains (SLDs), including Org.Za, Co.Za, Gov.Za and Net.Za.
The domain name net is a generic top-level domain (gTLD) used in the Domain Name System of the Internet. The name is derived from the word network, indicating it was originally intended for organizations involved in networking technologies, such as Internet service providers and other infrastructure companies. It is still popular with network operators, the advertising sector, and is often treated as an alternative to com.
The domain name org is a generic top-level domain (gTLD) of the Domain Name System (DNS) used in the Internet. The name is truncated from organization. It was one of the original domains established in 1985 and operated by the Public Interest Registrysince 2003. The domain extension was originally intended for non-profit entities, but this designation was not enforced and exists no longer. The domain is commonly used by schools, open-source projects, and communities, as well as by for-profit entities. The number of registered domains in org has increased from fewer than one million in the 1990s, to ten million as of June, 2012.
.co is the Internet country code top-level domain (ccTLD) assigned to Colombia. It is administered by .CO Internet S.A.S. As of July 10, 2010, there are no registration restrictions on second-level .co domains; any individual or entity in the world can register a .co domain.
.co has become increasingly popular among tech startups, including AngelList (angel.co), 500 Startups (500.co), Vine (vine.co), Jelly (jelly.co), Brit + co (brit.co) among others. The .co domain is also used by many established brands for social and mobile media, such as Twitter (t.co), Google Inc. (g.co), Amazon.com (a.co), American Express (amex.co) and Starbucks (sbux.co).
The biz TLD was created to relieve some of the demand for domain names in the com top-level domain, and to provide an alternative for businesses whose preferred domain name in com had already been registered by another party. There are no specific legal or geographic qualifications to register a biz domain name, except that it must be for “bona fide business or commercial use.” It was created in 2001 along with several other domains as the first batch of new gTLDs approved by ICANNin the expansion of the Domain Name System following the increased interest in internet commerce in the late 1990s.
A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet. Domain names are formed by the rules and procedures of the Domain Name System (DNS). Any name registered in the DNS is a domain name. Domain names can also be thought of as a location where certain information or activities can be found.
Domain names are used in various networking contexts and application-specific naming and addressing purposes. In general, a domain name represents an Internet Protocol (IP) resource, such as a personal computer used to access the Internet, a server computer hosting a web site, or the web site itself or any other service communicated via the Internet. In 2014, the number of active domains reached 271 million.
Domain names are organized in subordinate levels (subdomains) of the DNS root domain, which is nameless. The first-level set of domain names are the top-level domains (TLDs), including the generic top-level domains (gTLDs), such as the prominent domains com, info, net, edu, and org, and the country code top-level domains (ccTLDs). 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 who wish to connect local area networks to the Internet, create other publicly accessible Internet resources or run web sites. The registration of these domain names is usually administered by domain name registrars who sell their services to the public.