az16.com.		30 IN SOA ns.dnsfamily.com. hostmaster.dnsfamily.com. (
				1083128256 ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

Name servers:
az16.com.		30 IN NS ns.dnsfamily.com.
az16.com.		30 IN NS ns.cdnhost.cn.