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This is an open TLD; any person or entity is permitted to register. Originally created as a miscellaneous category as stated in RFC 920 (October 1984) "...any other domains meeting the second level requirements," and clarified in RFC 1591 (March 1994), "This domain is intended as the miscellaneous TLD for organizations that didn't fit anywhere ...
RFC 862 Fictitious domain name: RFC 2606 File Transfer Protocol: RFC 114, RFC 172, RFC 265, RFC 354, RFC 765, RFC 959, RFC 2228, RFC 4217 Frame Relay: RFC 1294, RFC 1490, RFC 2427 Generic Security Services Application Program Interface: RFC 1508, RFC 1509, RFC 1964, RFC 2078, RFC 2743, RFC 2744, RFC 2853 gzip: RFC 1952 HyperText Transfer Protocol
.gov is one of the original six top-level domains, defined in RFC 920. [2] Though "originally intended for any kind of government office or agency", [3] only U.S.-based government entities may register .gov domain names, a result of the Internet originating as a U.S. government-sponsored research network.
International email arises from the combined provision of internationalized domain names (IDN) [1] and email address internationalization (EAI). [2] The result is email that contains international characters (characters which do not exist in the ASCII character set), encoded as UTF-8, in the email header and in supporting mail transfer protocols.
Dot-separated fully qualified domain names are the primarily used form for human-readable representations of a domain name. Dot-separated domain names are not used in the internal representation of labels in a DNS message [7] but are used to reference domains in some TXT records and can appear in resolver configurations, system hosts files, and URLs.
95 characters; the 52 alphabet characters belong to the Latin script. The remaining 43 belong to the common script. The 33 characters classified as ASCII Punctuation & Symbols are also sometimes referred to as ASCII special characters. Often only these characters (and not other Unicode punctuation) are what is meant when an organization says a ...
A special-use domain name is a domain name that is defined and reserved in the hierarchy of the Domain Name System of the Internet for special purposes. The designation of a reserved special-use domain is authorized by the Internet Engineering Task Force (IETF) and executed, maintained, and published by the Internet Assigned Numbers Authority (IANA).
A domain may have multiple TXT records associated with it, provided the DNS server implementation supports this. [1] Each record can in turn have one or more character strings. [2] Traditionally these text fields were used for a variety of non-standardised uses, such as a full company or organisation name, or the address of a host.