ty7.cn.			600 IN SOA dns9.hichina.com. hostmaster.hichina.com. (
				2022011002 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

ty7.cn.			600 IN TXT "v=spf1 include:spf.mxhichina.com -all"

ty7.cn.			600 IN A 106.14.180.215

Mail exchangers:
ty7.cn.			600 IN MX 5 mxn.mxhichina.com.

Name servers:
ty7.cn.			21600 IN NS dns10.hichina.com.
ty7.cn.			21600 IN NS dns9.hichina.com.