scuec.edu.cn.		30 IN SOA dns1.scuec.edu.cn. external.scuec.edu.cn. (
				139        ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

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

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

Name servers:
scuec.edu.cn.		30 IN NS dns2.scuec.edu.cn.
scuec.edu.cn.		30 IN NS dns.scuec.edu.cn.