key rndc_key { secret "1234abcd8765"; algorithm @DEFAULT_HMAC@; }; controls { inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; }; }; options { query-source address 10.53.0.2; notify-source 10.53.0.2; transfer-source 10.53.0.2; port @PORT@; pid-file "named.pid"; listen-on { 10.53.0.2; }; listen-on-v6 { none; }; recursion no; notify yes; dnssec-validation no; }; zone "example" { type secondary; primaries { 10.53.0.1 port @PORT@; }; file "example.db"; };