81tech.cn.		30 IN SOA dns.bizcn.com. dnscont.dns.bizcn.com. (
				1          ; serial
				28800      ; refresh (8 hours)
				14400      ; retry (4 hours)
				14400      ; expire (4 hours)
				3600       ; minimum (1 hour)
				)

81tech.cn.		30 IN A	42.120.41.168

Name servers:
81tech.cn.		30 IN NS ns8.cnmsn.net.
81tech.cn.		30 IN NS ns7.cnmsn.net.