What version of pdns-recursor do you have installed currently? Please paste output of the following commands:
apt-cache policy pdns-recursor dpkg -l 'pdns-recursor'
Did you try to install a package manually? Did you edit the init script by any change between installs?
What version of pdns-recursor do you have installed currently? Please paste output of the following commands:
apt-cache policy pdns-recursor
dpkg -l 'pdns-recursor'
Did you try to install a package manually? Did you edit the init script by any change between installs?