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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 ]
If the domain name is completely specified, including a top-level domain of the Internet, then the hostname is said to be a fully qualified domain name (FQDN). Hostnames that include DNS domains are often stored in the Domain Name System together with the IP addresses of the host they represent for the purpose of mapping the hostname to an ...
An annotated example of a domain name. In the Internet, a domain name is a string that identifies a realm of administrative autonomy, authority or control. Domain names are often used to identify services provided through the Internet, such as websites, email services and more. Domain names are used in various networking contexts and for ...
Returns all records of all types known to the name server. If the name server does not have any information on the name, the request will be forwarded on. The records returned may not be complete. For example, if there is both an A and an MX for a name, but the name server has only the A record cached, only the A record will be returned.
The domain name space consists of a tree data structure. Each node or leaf in the tree has a label and zero or more resource records (RR), which hold information associated with the domain name. The domain name itself consists of the label, concatenated with the name of its parent node on the right, separated by a dot. [23]: §3.1
Each label represents one of the dot-separated substrings in a fully qualified domain name (FQDN). The list is terminated by either a single null-byte representing the root of the DNS, or by a byte with the two high-order bits set (value 192) to signal an indirect pointer to another location in the message. This is known as name compression in ...
FQPN is also used in Networking and takes the following form: \root\FQDN\path-to\file.ext[OR]directory, where /root/ is the root directory, the first or top-most directory in a hierarchy, and, in this case, the rooted tree; FQDN is the fully qualified domain name or node.
Comparing "host name" with "local host name" does seem to lend credence to the idea that "host name" is a shorthand version of "local host name". For my blog article I will stick with "hostname" to refer to a domain name that is mapped to an IP address and I will use "local part" or "local host name" to refer to the host device specified at the ...