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  2. List of Internet top-level domains - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_top-level...

    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]

  3. Public Suffix List - Wikipedia

    en.wikipedia.org/wiki/Public_Suffix_List

    The Public Suffix List (PSL) is a community-maintained list of rules that describe the internet domain name suffixes under which independent organisations can register their own sites. Entries on the list are referred to as effective top-level domains ( eTLDs ), [ 1 ] and contain commonly used suffixes like com , net and co.uk , as well as ...

  4. Country code top-level domain - Wikipedia

    en.wikipedia.org/wiki/Country_code_top-level_domain

    An internationalized country code top-level domain (IDN ccTLD) is a top-level domain with a specially encoded domain name that is displayed in an end user application, such as a web browser, in its native language script or a non-alphabetic writing system, such as Latin script (.us, .uk and .br), Indic script (.

  5. Top-level domain - Wikipedia

    en.wikipedia.org/wiki/Top-level_domain

    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. For all domains in lower levels, it is the last part of the domain name, that is, the last non-empty label of a fully ...

  6. Extension Mechanisms for DNS - Wikipedia

    en.wikipedia.org/wiki/Extension_mechanisms_for_DNS

    Extension Mechanisms for DNS (EDNS) is a specification for expanding the size of several parameters of the Domain Name System (DNS) protocol which had size restrictions that the Internet engineering community deemed too limited for increasing functionality of the protocol.

  7. .top - Wikipedia

    en.wikipedia.org/wiki/.top

    .top is a generic top-level domain, officially delegated in ICANN's new gTLD program on August 4, 2014.. The domain name extension .top is managed and operated by the .top registry (registry backend ZDNS) which belongs to Jiangsu Bangning Science & Technology Co., Ltd. in Nanjing, China, and can be registered by anyone since November 18, 2014 without special requirements.

  8. .pro - Wikipedia

    en.wikipedia.org/wiki/.pro

    In October 2000 Jason Drummond came up with the concept for a new top level domain name (TLD) and established RegistryPro to jointly bid with Register.com for .pro. In May 2002 RegistryPro signed its contract with the Internet Corporation for Assigned Names and Numbers (ICANN), the organization that administers global domain names, under which ...

  9. .nu - Wikipedia

    en.wikipedia.org/wiki/.nu

    Playing on the phonetic similarity between nu and new in English, and the fact that nu means "now" in several northern European languages, it was promoted as a new TLD with an abundance of good domain names available. The .nu domain is now controlled by the Internet Foundation in Sweden amid opposition from the government of Niue. Google treats ...