How to configure bind as a Caching and Forwarding.

/etc/bind/named.conf.options options { directory "/var/cache/bind"; dnssec-validation auto; auth-nxdomain no; listen-on-v6 { none; }; recursion yes; allow-query { 127.0.0.1; }; listen-on { 127.0.0.1; }; };
Check config named-checkconf