bigdata.ac.cn.		30 IN SOA ns13.xincache.com. enterprise1dnsadmin.dnspod.com. (
				1576630891 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

bigdata.ac.cn.		30 IN A	112.124.44.142

Name servers:
bigdata.ac.cn.		30 IN NS ns13.xincache.com.
bigdata.ac.cn.		30 IN NS ns14.xincache.com.