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second-level domain (Q903444)

From Wikidata
domain that is directly below a top-level domain
  • second level domain
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Language Label Description Also known as
default for all languages
No label defined
    English
    second-level domain
    domain that is directly below a top-level domain
    • second level domain

    Statements

    subclass of
    domain name
    0 references
    follows
    top-level domain
    0 references
    described by source
    RFC 920: Domain requirements
    publication date
    1984
    subject named as
    second level domain
    1 reference
    quotation
    The Purpose of Domains / The domain [...] The top level domains are subdivided into second level domains. (English)
    RFC 1386: The US Domain
    publication date
    1992
    subject named as
    second level names
    relative to
    RFC 1480: The US Domain
    1 reference
    quotation
    1 Introduction / 1.2 Top-Level Domains / Even though [...] For example, in Korea (KR) the second level names are AC for academic community, [...] (English)
    RFC 1480: The US Domain
    publication date
    1993
    subject named as
    second level names
    SECOND LEVEL DOMAINS
    second level delegated name spaces (second and third level delegated name spaces)
    relative to
    RFC 1386: The US Domain
    3 references
    subject named as
    second level names
    quotation
    1. Introduction / 1.2 Top-Level Domains / 1.2 Top-Level Domains [...] For example, in Korea (KR) the second level names are AC for academic community, [...] (English)
    subject named as
    SECOND LEVEL DOMAINS
    quotation
    2. Naming Structure / VIEW OF SECOND LEVEL DOMAINS UNDER US (English)
    subject named as
    second level delegated name spaces (second and third level delegated name spaces)
    quotation
    3. Registration / 3.3 Delegated Subdomains / 3.3.1. Delegation Requirements / WHOIS Database / Only the second and third level delegated name spaces will be entered in the WHOIS database. For example, K12.CA.US would have an entry in WHOIS. (English)
    RFC 2606: Reserved Top Level DNS Names
    publication date
    1999
    subject named as
    second level domain name
    1 reference
    quotation
    Abstract / To reduce [...] In addition, a few second level domain names reserved for use as examples are documented. (English)
    has part(s)
    country code second-level domain
    1 reference
    quotation
    Second Level Domain / 2LDs / ccSLDs / Some countries restrict the second level under their ccTLD. (English)
    supports qualifier
    ICANNWiki page ID
    reference URL
    https://icannwiki.org/Second_Level_Domain

    Identifiers

    ICANNWiki page ID
    Second_Level_Domain
    1 reference
    quotation
    The Second Level Domain, or SLD, [...] (English)
    Zhihu topic ID
    19592749
    subject named as
    二级域名
    0 references
     
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