BIND /ˈbaɪnd/, or named /ˈneɪmdiː/, is the most widely used Domain Name System (DNS) software on the Internet.On Unix-like operating systems it is the de facto standard.The software was originally designed at the University of California Berkeley (UCB) in the early 1980s. The name originates as an acronym of Berkeley Internet Name Domain, reflecting the application's use within UCB.