A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet. Domain names are used in various networking contexts and for application-specific naming and addressing purposes. In general, a domain name identifies a network domain, or it 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 2017, 330.6 million domain names
had been registered.
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 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.
A fully qualified domain name (FQDN) is a domain name that is completely specified with all labels in the hierarchy of the DNS, having no parts omitted. Labels in the Domain Name System are case-insensitive, and may therefore be written in any desired capitalization method, but most commonly domain names are written in lowercase in technical contexts.
In Tanzania You can register the Following Domain Man extensions due to the Government and internet policies:
.co.tz – Only for registered company or business entity as defined under national laws.
.or.tz – Only for none profit making organizations.
.go.tz – Only for formal Tanzania Governmental entities as recognized through parliament or on production of a letter from relevant Permanent Secretary of the relevant government Ministry where the registrant belongs.
.ac.tz – Only for formal tertiary academic or technical institutions with relevant accreditation.
.ne.tz – Only for addressing the network of people and hardware.
.mil.tz – Exclusively for Tanzania Military entities recognized by the Ministry responsible for Defense;
.sc.tz – Only for schools that are elementary, primary and secondary level institutions
.me.tz – For personal use, individuals, and family names. Ideal for personal blogs and private email addresses.
.hotel.tz – For hotels.
.info.tz – The name is derived from information, meant for informational websites.
.mobi.tz – For mobile devices that access internet resources via the mobile web, it may also be used by companies that offer mobile services.
.tv.tz – The name is derived from television, meant for television service providers.