Disabling apparmor

Killing AppArmor module - failed, AppArmor is builtin: Failed.

one more thing to build vanilla kernels without the crappy security solutions

sudo /etc/init.d/apparmor stop
sudo update-rc.d -f apparmor remove

Removing any system startup links for /etc/init.d/apparmor ...
/etc/rcS.d/S37apparmor

https://help.ubuntu.com/community/AppArmor#Disable%20AppArmor%20framework

Now the bind9 works for caching

dig debian.org @localhost