ddtt.net.		30 IN CNAME exp.gname.net.

exp.gname.net.		30 IN A	172.65.211.209
ddtt.net.		30 IN CNAME exp.gname.net.

Name servers:
ddtt.net.		30 IN NS expire1.gname-dns.com.
ddtt.net.		30 IN NS expire2.gname-dns.com.