proyoubo.cn.		359 IN SOA dns17.hichina.com. hostmaster.hichina.com. (
				2019111115 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				360        ; minimum (6 minutes)
				)

Name servers:
proyoubo.cn.		21599 IN NS dns18.hichina.com.
proyoubo.cn.		21599 IN NS dns17.hichina.com.