web321.cn.		30 IN SOA dm1.longmingdns.com. dnsadmin.longmingdns.com. (
				1720213985 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				1800       ; minimum (30 minutes)
				)

web321.cn.		30 IN A	107.149.92.207

Name servers:
web321.cn.		30 IN NS dm1.longmingdns.com.
web321.cn.		30 IN NS dm2.longmingdns.com.