options {
        //
        //first alternative sample 'named.conf' file
        //for master named server
        //
        directory        "/var/named";
        };
zone "." in {
        type hint;
        file "named.root";
};
zone "." in {
        type master;
        file "root.zone";
};
zone "first.com" in {
        type master;
        file "firsthosts.zone";
};