yangtzeu.edu.cn.	30 IN SOA dns.yangtzeu.edu.cn. root.yangtzeu.edu.cn. (
				2000051977 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				172800     ; expire (2 days)
				86400      ; minimum (1 day)
				)

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

yangtzeu.edu.cn.	30 IN A	219.138.7.68

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

Name servers:
yangtzeu.edu.cn.	30 IN NS dns.yangtzeu.edu.cn.
yangtzeu.edu.cn.	30 IN NS dns2.yangtzeu.edu.cn.
yangtzeu.edu.cn.	30 IN NS dns3.yangtzeu.edu.cn.