BIND or named is one of the most widely used Domain Name System (DNS) service on Linux Servers. What is BIND? It’s an acronym which breaks to: BIND = Berkeley Internet Name Domain. This server software consists of many components, such as nameserver daemon (named) and a number of utilities (e.g. dig, host, named-checkconf, named-compilezone, dnssec-signzone, etc.) and the libraries (e.g. libbind).