ysu.edu.cn.		30 IN SOA ysudns2.ysu.edu.cn. root.ysudns2.ysu.edu.cn. (
				21239      ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

ysu.edu.cn.		30 IN TXT "v=spf1 ip4:202.206.240.96 ip4:202.206.240.11
ip4:111.227.213.2 ip4:222.30.144.6 ip4:121.22.29.121 ip4:111.63.37.146
include:spf.safenext.cn include:spfb.safenext.cn -all"

ysu.edu.cn.		30 IN A	202.206.240.14
ysu.edu.cn.		30 IN AAAA 2001:250:80c:ffff:ffff:ffff:cace:f00e

Mail exchangers:
ysu.edu.cn.		30 IN MX 0 mailgateway.ysu.edu.cn.

Name servers:
ysu.edu.cn.		30 IN NS ysudns1.ysu.edu.cn.
ysu.edu.cn.		30 IN NS ysudns2.ysu.edu.cn.