Guía de configuración de Servidor DNS (BIND)

Este es mi problema, alguna solución? He tratado de arrancarlo pero no fui capaz.






[root@ipaddress/]# service named start
Starting named:
Error in named configuration:
zone domain.com/IN: loading from master file domain.com failed: file not found
zone domain.com/IN: not loaded due to errors.
_default/domain.com/IN: file not found
zone 50.121.188.in-addr.arpa/IN: loading from master file 50.121.188.in-addr.arpa failed: file not found
zone 50.121.188.in-addr.arpa/IN: not loaded due to errors.
_default/50.121.188.in-addr.arpa/IN: file not found