BIND 9.8.2 is the latest production release of BIND 9.8
BIND 9.6-ESV-R6 is the latest production version of BIND 9.6-ESV, an Extended Support Version release of BIND 9
BIND 9.7.5 is the latest production release of BIND 9.7
BIND 9.9.0 is the first production release of BIND 9.9
BIND 9.4-ESV-R5-P1 is the current Extended Support Version of BIND 9.4.
