astron.ac.cn.		30 IN SOA dns31.hichina.com. hostmaster.hichina.com. (
				2024042409 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

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

astron.ac.cn.		30 IN A	202.127.24.10

Mail exchangers:
astron.ac.cn.		30 IN MX 10 mxdomain.qq.com.

Name servers:
astron.ac.cn.		30 IN NS dns32.hichina.com.
astron.ac.cn.		30 IN NS dns31.hichina.com.