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
//
key chave {
    algorithm hmac-md5;
    secret "who31zSrHt7ZlS7xgZaUZQ==";
};


zone "." IN {
        type hint;
        file "named.ca";
};

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

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

// zonas que serão atualizadas

zone "exemplo.net" IN {
        type master;
        file "exemplo.net";
        allow-update { key chave; };
};


zone "0.168.192.in-addr.arpa" IN {
        type master;
        file "0.168.192";
        allow-update { key chave; };
};