Name server - Wikipedia
https://en.wikipedia.org/wiki/Name_serverA name server refers to the server component of the Domain Name System (DNS), one of the two principal namespaces of the Internet. The most important function of DNS servers is the translation (resolution) of human-memorable domain names (example.com) and hostnames into the corresponding numeric Internet Protocol(IP) addresses (93.184.216.34), the second principal name space of the Internet, which is used to identify and locate computer systems and resource…
Name server - Wikipedia
en.wikipedia.org › wiki › Name_serverA name server refers to the server component of the Domain Name System (DNS), one of the two principal namespaces of the Internet.The most important function of DNS servers is the translation (resolution) of human-memorable domain names (example.com) and hostnames into the corresponding numeric Internet Protocol (IP) addresses (93.184.216.34), the second principal name space of the Internet ...
Server names - Nginx
nginx.org › en › docsTo use a regular expression, the server name must start with the tilde character: server_name ~^www\d+\.example\.net$; otherwise it will be treated as an exact name, or if the expression contains an asterisk, as a wildcard name (and most likely as an invalid one). Do not forget to set “ ^ ” and “ $ ” anchors.