$TTL 86400
@       IN      SOA     ns.institucion.es.    null.mydomain.local. (
     2004061001 
     8h
     2h
     1w
     1h )

        NS ns.institucion.es.
	A	192.187.16.2
* IN A 192.187.16.2
* IN MX 10 192.187.16.2