80 Domain Name System In Linux In This Year

Ensure your linux server knows how to find the domain controller via dns.
Domain name system in linux. In the networking terminology the domain name is the mapping of ip with the name. A linux server a centos 7 server was used for this demonstration. Dns naming system is a hierarchical and logical tree structure called the dns namespace.
First of all check if your server is having domain name already set up or not using below command. For such a scenario you have to configure the domain name for your linux server. The domain name system dns is a hierarchical naming system where each level of name is separated by a dot it resolves user friendly domain names into computer friendly ip addresses.
Domainname command in linux is used to return the network information system nis domain name of the host you can use hostname d command as well to get the host domainname if the domain name is not set up in your host then the response will be none. A domain name system dns server or name server is used to resolve an ip address to a hostname or vice versa. It also resolves ip addresses into domain names.
Berkeley internet name domain bind is the most commonly used dns server on the internet especially on unix like systems. It provides a centralized database for resolution. Domain name system dns.