Maintainers for bind9 are Debian DNS Team <team+dns@tracker.debian.org>.
You may want to refer to the following packages that are part of the same source: bind9-dev, bind9-dnsutils, bind9-doc, bind9-host, bind9-libs, bind9-utils, bind9utils, dnsutils, libdns-export1104, libdns1104, libisc-export1100, libisc1100.
You might like to refer to the bind9 package page, to the Package Tracking System, or to the source package src:bind9's bug page.
If you find a bug not listed here, please report it.