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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. [1] The top-level domain names are installed in the root zone of the name space.
This 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 list of the top-level domains by the Internet Assigned Numbers Authority (IANA) is maintained at the Root Zone Database. [1]
Top-level domains form the DNS root zone of the hierarchical Domain Name System. Every domain name ends with a top-level domain label. During the growth of the Internet, it became desirable to create additional generic top-level domains. As of October 2009, 21 generic top-level domains and 250 two-letter country-code top-level domains existed. [11]
Thus, domains edu, gov, int, and mil are now considered sponsored top-level domains, along with other themed top-level domains like jobs. The entire group of domains that do not have a geographic or country designation (see country-code top-level domain) is still often referred to by the term generic TLDs.
However, the creation of the .uk TLD predates the ISO 3166-1 list of ccTLDs and is the primary TLD for the United Kingdom. [69] Nominet UK: Yes: Yes: Yes 24 July 1985.us United States of America: United States: Registrants must be United States citizens, residents, or organizations, or a foreign entity with a presence in the United States.
.xyz is a top-level domain name. It was proposed in ICANN's New generic top-level domain (gTLD) Program, and became available to the general public on June 2, 2014.The domain name came about both because the three letters are the last in the Latin-script alphabet, and to refer to people from Generations X, Y, and Z.
That includes resources available via the domain and all its sub-domains. Two domains are related if they are in the same site, i.e. they share a suffix that is not included in the Public Suffix List. Security issues like a same-site attack can arise if the Public Suffix List is incorrect, or if browsers or sites are not properly configured. [9 ...
The Domain Name System of the Internet consists of a set of top-level domains that constitute the root domain of the hierarchical name space and database. In the growth of the Internet, it became desirable to expand the initial set of six generic top-level domains in 1984.