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

@			IN	NS 	dnsroot.
dnsroot     IN	A	87.100.200.10

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

exa.com	IN 	NS 	dns.exa.com
56.32.91.in-addr.arpa 	IN 	NS 	dns.exa.com
dns.exa.com	IN 	A 	91.32.56.10

r1			IN 	A 	87.100.200.1
