15121.com.		30 IN SOA bizcn1.dnspod.net. freednsadmin.dnspod.com. (
				1614872718 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

Name servers:
15121.com.		30 IN NS bizcn1.dnspod.net.
15121.com.		30 IN NS bizcn2.dnspod.net.