xsyu.edu.cn.		30 IN SOA dns.xsyu.edu.cn. zhenghongtao.xsyu.edu.cn. (
				2022113634 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				3600       ; expire (1 hour)
				3600       ; minimum (1 hour)
				)

xsyu.edu.cn.		30 IN TXT "v=spf1 include:spf.163.com -all"

xsyu.edu.cn.		30 IN A	10.200.3.5
xsyu.edu.cn.		30 IN AAAA 2001:da8:4015:190:2::2

Mail exchangers:
xsyu.edu.cn.		30 IN MX 10 hzmx02.mxmail.netease.com.
xsyu.edu.cn.		30 IN MX 5 hzmx01.mxmail.netease.com.

Name servers:
xsyu.edu.cn.		30 IN NS dns1.xsyu.edu.cn.
xsyu.edu.cn.		30 IN NS dns3.xsyu.edu.cn.
xsyu.edu.cn.		30 IN NS dns.xsyu.edu.cn.