// zone directe
zone "sio-tg.lan" {
        type slave;
        file "/etc/bind/db.sio-tg.lan";
	masters {192.168.0.121; };
	masterfile-format text; 
};

// zone inverse 
zone "0.168.192.in-addr.arpa" {
	type slave;
        notify no;
        file "/etc/bind/db.sio-tg.lan.rev";
	masters { 192.168.0.121; };
};