$TTL 60000
@ IN SOA dnsroot. root.dnsroot. (
1 ; serial
28 ; refresh
14 ; retry
3600000 ; expire
60000 ; negative cache ttl
)
@ IN NS dnsroot.
dnsroot. IN A 30.40.50.254
com. IN NS dnscom.com.
dnscom.com. IN A 30.40.50.253