options {
    directory "/tmp";

    forwarders {
        8.8.8.8;
        8.8.4.4;
    };
    forward only;

    dnssec-enable yes;

    auth-nxdomain no;
    // run bind on the local loopback interface only and listen on port 2053
    listen-on port 2053 { 127.0.0.1; };
    listen-on-v6 port 2053 { ::1; };
    filter-aaaa-on-v4 yes;
    allow-query { any; }; // If running a on a public IP
    allow-recursion { any; }; // If running a on a public IP
    allow-query-cache { any; }; // If running a on a public IP
};

Enable BIND9 at boot
  /etc/init.d/named enable

And start it
  /etc/init.d/named start