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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. Top-level domain - Wikipedia

    en.wikipedia.org/wiki/Top-level_domain

    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 qualified domain name. For example, in the domain name www.example.com, the top-level domain is .com.

  4. Generic top-level domain - Wikipedia

    en.wikipedia.org/wiki/Generic_top-level_domain

    Generic top-level domains (gTLDs) are one of the categories of top-level domains (TLDs) maintained by the Internet Assigned Numbers Authority (IANA) for use in the Domain Name System of the Internet. A top-level domain is the last level of every fully qualified domain name. They are called generic for historical reasons; initially, they were ...

  5. Universal Acceptance - Wikipedia

    en.wikipedia.org/wiki/Universal_Acceptance

    Universal Acceptance (UA) is a term coined by Ram Mohan to represent the principle that every top-level domain (TLD) should function within all applications regardless of script, number of characters, or how new it is. [1] Historically, there were a limited number of TLDs available in strings of two or three Latin-script characters.

  6. Alternative DNS root - Wikipedia

    en.wikipedia.org/wiki/Alternative_DNS_root

    The DNS root zone consists of pointers to the authoritative domain name servers for all top-level domains (TLDs). The root zone is hosted on a collection of root servers operated by several organizations around the world that all use a specific, approved list of domains that is managed by ICANN.

  7. Root name server - Wikipedia

    en.wikipedia.org/wiki/Root_name_server

    The contents of the root zone file is a list of names and numeric IP addresses of the root domain authoritative DNS servers for all top-level domains (TLDs) such as com, org, edu, and the country code top-level domains (it also includes that info for root domain, the dot). On 12 December 2004, 773 different authoritative servers for the TLDs ...

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