ncist.edu.cn.		30 IN SOA ns1.service.edu.cn. suzs.cernet.com. (
				2783335142 ; serial
				10800      ; refresh (3 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

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

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

Name servers:
ncist.edu.cn.		30 IN NS ns2.service.edu.cn.
ncist.edu.cn.		30 IN NS ns1.service.edu.cn.