!! FreebSD bind9 

 # pkg install bind916  bind-tools 

 >--
 >BIND requires configuration of rndc, including a "secret"
 >key.  The easiest, and most secure way to configure rndc is
 >to run 'rndc-confgen -a' to generate the proper conf file,
 >with a new random key, and appropriate file permissions. 
 >
 >The /usr/local/etc/rc.d/named script will do that for you.
 >
 >If using syslog to log the BIND9 activity, and using a
 >chroot'ed installation, you will need to tell syslog to install
 >a log socket in the BIND9 chroot by running:
 >
 > # sysrc altlog_proglist+=named
 >
 >And then restarting syslogd with: service syslogd restart

 # rndc-confgen -a
 wrote key file "/usr/local/etc/namedb/rndc.key"
 # sysrc altlog_proglist+=named
 altlog_proglist:  -> named