Mine

/etc/bind/named.conf.broadband.mongeese.co.uk:

zone "broadband.mongeese.co.uk" {
        type master;
        file "/etc/bind/db.broadband.mongeese.co.uk";
};

zone "10.168.192.in-addr.arpa" {
        type master;
        file "/etc/bind/db.10.168.192";
};