The BIND 9 Administrator Reference Manual
For documentation covering configuration syntax, detailed feature descriptions, command usage, and basic troubleshooting and security considerations, the best place to start is the BIND 9 Administrator Reference Manual, also known as “theARM“. Every source archive of BIND 9 distributed by ISC contains copies of the Administrator Reference Manual in HTML and PDF formats. They can be obtained by downloading the source, from the links below (PDF only), or they can be read with a browser directly from the ISC FTP server.
Quick links to current Administrator Reference Manuals