$TTL 86400
@               86400   IN      SOA     dns.exa.es.    root.dns.exa.es. (
                        2008032701 ; serial
                        28800 ; refresh
                        14400 ; retry
                        3600000 ; expire
                        0 ; negative cache ttl
                        )

@		IN	NS	dns.exa.es.
dns	 	IN	A	32.8.10.20
r2		IN	A	32.8.10.1
pc		IN	A	32.8.10.30