yingcheng.net.		30 IN SOA ns7.dns.net.cn. admin.nsn.idc. (
				121        ; serial
				900        ; refresh (15 minutes)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				3600       ; minimum (1 hour)
				)

yingcheng.net.		30 IN A	112.29.172.51

Name servers:
yingcheng.net.		30 IN NS ns7.dns.net.cn.
yingcheng.net.		30 IN NS ns.dns.net.cn.