A fully qualified domain name (FQDN), sometimes also called 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]

2024年5月16日 · A fully qualified domain name, also known as an absolute domain name, specifies all domain levels, including the top-level domain (TLD), in hostname.domain.tld format. For example, the FQDN for a mail server at Yahoo might be mail.yahoo.com. Other examples include www.wordpress.org and news.bbc.co.uk.

完全合格網域名稱 （英語： Fully qualified domain name），縮寫為FQDN，又譯為 完全资格域名 、 完整領域名稱，又稱為 絕對領域名稱 （英語： absolute domain name）、 绝对域名[1]，是 網域名稱 的一種，能指定其在 域名系统 （DNS）树状图下的一个確實位置。 一個完全资格域名會包含所有域名級別，包括 顶级域名 和 根域名。 完整網域名稱這個名稱的由來，是因為它沒有模糊空間，只能用一種方式來解析。 完整網域名稱是因應 網際網路 上需要一個統一識別方式而出 …

2023年3月27日 · How is a fully qualified domain name structured? The hierarchy levels of an FQDN are read from right to left. The root label, also known as the null label, takes the highest hierarchy level and is therefore, as the name suggests, the root of the DNS system. It consists of an empty string and is indicated with a simple full stop.

2019年1月28日 · FQDN是Fully Qualified Domain Name的缩写, 含义是完整的域名. 例如, 一台机器主机名 (hostname)是www, 域后缀 (domain)是example.com, 那么该主机的FQDN应该是 www.example.com.另外, 其实FQDN最后是以”.”来结尾的, 但是大部分的应用和服务器都允许忽略最后这个点。 Linux允许用户通过hostname命令查看并设置主机名。 用户也可以通过hostname -f命令得到该主机的FQDN. 但是, 却没有直接设置FQDN的命令。 以下简要介绍设置方法。 通 …

2022年10月28日 · What Is a Fully Qualified Domain Name? A fully qualified domain name (FQDN) is the complete domain name of a specific server or host on the Internet. But what makes a domain name “complete?” The answer depends on the domain — and its many parts.

2024年11月15日 · Sometimes, an FQDN includes a trailing dot at the end (e.g., mail. [example].com.). This dot signifies the root domain, marking the FQDN as an absolute domain name and confirming it is fully qualified. Although it is often omitted, the trailing dot can be essential in specific DNS settings.

2024年4月17日 · A fully qualified domain name (FQDN) is the complete name for a specific computer or network resource, including both the hostname and the domain name. Learn how FQDN works and its importance with detailed examples.

2022年10月25日 · The term “fully qualified domain name”, FQDN for short, refers to the complete and unique address of an internet presence. It consists of the host name and the domain, and is used to locate specific hosts online and access them using name resolution. The structure of an FQDN is predefined by the domain name system (DNS). The names of the ...

A fully qualified domain name (FQDN) is a complete, unambiguous domain name that specifies the exact location of network resources, such as servers, websites, or services, on the Internet. FQDNs facilitate the organization, identification, and access of online resources, ensuring interoperability across diverse networked environments.