$TTL 86400
@               86400   IN      SOA     red2.edu.    root.red2.edu. (
                        2008032701 ; serial
                        28800 ; refresh
                        14400 ; retry
                        3600000 ; expire
                        0 ; negative cache ttl
                        )

@ 			IN	NS 	dns.edu.
dns.edu. 	IN	A	121.13.8.7

red2.edu.		IN	NS  dns.red2.edu.
10.8.32.in-addr.arpa.	IN 	NS	dns.red2.edu.
dns.red2.edu.		IN 	A 	32.8.10.20

mired.edu.	IN 	NS 	dns.mired.edu.
16.28.in-addr.arpa. 	IN 	NS 	dns.mired.edu.
dns.mired.edu.	IN 	A 	28.16.12.10

r1.edu.			IN 	A 	121.13.8.1
r2.edu.			IN 	A 	121.13.8.2