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Fully Qualified Domain Name

完全合格域名 (Fully qualified domain name)是域名的一种,能精确标识其在域名系统(DNS)树状图下的一个确定位置。它没有任何曲解的可能,只能通过一种方式解析。


WikiPedia

A fully qualified domain name (FQDN), sometimes also referred to as an absolute domain name,[1] is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS). It specifies all domain levels, including the top-level domain and the root zone.[2] A fully qualified domain name is distinguished by its lack of ambiguity in terms of DNS zone location in the hierarchy of DNS labels: it can be interpreted only in one way.[1]


  1. https://en.wikipedia.org/wiki/Fully_qualified_domain_name ↩︎