s7shop.cn.		599 IN SOA ns1.dns.com. dnsadmin.dns.com. (
				1546510651 ; serial
				7200       ; refresh (2 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				1800       ; minimum (30 minutes)
				)

s7shop.cn.		599 IN A 156.239.49.49

Name servers:
s7shop.cn.		21599 IN NS ns1.dns.com.
s7shop.cn.		21599 IN NS ns2.dns.com.