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

@		IN	NS		dns.esiiab.es.
1		IN 	PTR		r1.esiiab.es.
2		IN 	PTR		dhcp.esiiab.es.
3		IN	PTR		http.esiiab.es.
10		IN 	PTR		dns.esiiab.es.
