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Domain Name System: RFC 1034, RFC 1035, RFC 2606, RFC 7871 Dynamic Delegation Discovery System: RFC 2168, RFC 2915, RFC 3401, RFC 3402, RFC 3403, RFC 3404, RFC 3405 Dynamic Host Configuration Protocol: RFC 1531, RFC 1541, RFC 2131, RFC 3315 (IPv6) Extensible Messaging and Presence Protocol: RFC 3920 RFC 3921 RFC 3922 ECHO protocol: RFC 862 ...
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 ...
.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.
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.
RFC 9110: Host: The domain name of the server (for virtual hosting), and the TCP port number on which the server is listening. The port number may be omitted if the port is the standard port for the service requested. Mandatory since HTTP/1.1. [17]
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).
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 (.
The domain was introduced with RFC 920 [1] in October 1984 that set out the creation of ccTLD generally using country codes derived from the corresponding two-letter code in the ISO 3166-1 list. However, the .uk domain had been created separately a few months before the compilation of this list. [2] Consequently, .gb was never widely used. It ...