wust.edu.cn.		30 IN SOA dns.wust.edu.cn. master.wust.edu.cn. (
				2012291503 ; serial
				120        ; refresh (2 minutes)
				120        ; retry (2 minutes)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

wust.edu.cn.		30 IN TXT "v=spf1 include:spf.mail.qq.com ~all"

Mail exchangers:
wust.edu.cn.		30 IN MX 10 mxbiz2.qq.com.
wust.edu.cn.		30 IN MX 5 mxbiz1.qq.com.

Name servers:
wust.edu.cn.		30 IN NS dns1.wust.edu.cn.
wust.edu.cn.		30 IN NS dns.wust.edu.cn.