BIND (Berkeley Internet Name Domain) is a widely used suite of open-source software for managing and interacting with the Domain Name System (DNS). BIND is the most common implementation of DNS server software on the Internet.
BIND implements the DNS protocol, which is the foundational system that translates human-readable domain names (like example.com) into machine-readable IP addresses (like 192.0.2.1). This translation is essential for routing traffic on the internet and for users to access websites and online resources.
The main component of the BIND suite is called named (short for “name daemon”). This software can perform two primary DNS server roles: (1) Authoritative Name Server: Publishes DNS zones and records, serving as the definitive source for domain information. (2) Recursive Resolver (Caching Resolver): Fetches DNS data from other servers on behalf of clients, caching results to improve efficiency.