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

@		IN	NS	dns.mired.edu.
r1		IN	A	28.16.12.1
dhcp	IN	A	28.16.12.2
http	IN	A	28.16.12.3
dns		IN	A	28.16.12.10
mercurio	IN	A	28.16.14.12
urano	IN	A	28.16.14.13
venus	IN	A	28.16.14.14
pc	IN	A	28.16.13.11
www		IN	CNAME	http.mired.edu.
intranet	IN	CNAME	http.mired.edu.

alumnos	IN 	CNAME	mercurio.mired.edu.
