$ ls -la /var/lib/pdns
total 12
drwxr-xr-x  2 pdns pdns 4096 Oct 28 10:04 .
drwxr-xr-x 28 root root 4096 Oct 28 10:03 ..
-rw-r--r--  1 pdns pdns    1 Oct 28 09:51 filter.lua
$