options {
       directory "/var/named";
       /*
        * If there is a firewall between you and nameservers you want
        * to talk to, you might need to uncomment the query-source
        * directive below.  Previous versions of BIND always asked
        * questions using port 53, but BIND 8.1 uses an unprivileged
        * port by default.
        */
       // query-source address * port 53;
};

//
// a caching only nameserver config
//
zone "." IN {
       type hint;
       file "caching-example/named.root";
};

zone "localhost" IN {
       type master;
       file "caching-example/localhost.zone";
       allow-update { none; };
};

zone "0.0.127.in-addr.arpa" IN {
       type master;
       file "caching-example/named.local";
       allow-update { none; };
};