jtdz.net.		30 IN SOA dns23.hichina.com. hostmaster.hichina.com. (
				2025042413 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)
jtdz.net.		30 IN CNAME www.03.zukongjian.com.

www.03.zukongjian.com.	30 IN A	172.232.112.221
jtdz.net.		30 IN CNAME www.03.zukongjian.com.

Name servers:
jtdz.net.		30 IN NS dns24.hichina.com.
jtdz.net.		30 IN NS dns23.hichina.com.