yenyou.cn.		30 IN SOA dns21.hichina.com. hostmaster.hichina.com. (
				2024120417 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)
yenyou.cn.		30 IN CNAME yenyou.51hostonline.cn.
yenyou.51hostonline.cn.	30 IN CNAME pro-agent.site.cdncenter.cn.

pro-agent.site.cdncenter.cn. 30	IN A 103.112.28.92
yenyou.cn.		30 IN CNAME yenyou.51hostonline.cn.
yenyou.51hostonline.cn.	30 IN CNAME pro-agent.site.cdncenter.cn.

Mail exchangers:
yenyou.cn.		30 IN MX 10 mxdomain.qq.com.

Name servers:
yenyou.cn.		30 IN NS dns22.hichina.com.
yenyou.cn.		30 IN NS dns21.hichina.com.