BIND is open source software that implements the Domain Name System (DNS) protocols for the Internet. It is a reference implementation of those protocols, but it is also production-grade software, suitable for use in high-volume and high-reliability applications. The BIND 9 Administrator Reference Manual is available online at https://bind9.readthedocs.io/. Flavours: geoip - include support for geolocation using GeoIP2 (libmaxminddb)