sdada.edu.cn.		30 IN SOA dns1.sdada.edu.cn. admin.sdada.edu.cn. (
				2100001576 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

sdada.edu.cn.		30 IN TXT "v=spf1 include:spf.mxhichina.com -all"

sdada.edu.cn.		30 IN A	124.128.249.249
sdada.edu.cn.		30 IN AAAA 2001:250:580d:85::249

Mail exchangers:
sdada.edu.cn.		30 IN MX 5 mxn.mxhichina.com.
sdada.edu.cn.		30 IN MX 10 mxw.mxhichina.com.

Name servers:
sdada.edu.cn.		30 IN NS dns3.sdada.edu.cn.
sdada.edu.cn.		30 IN NS dns2.sdada.edu.cn.
sdada.edu.cn.		30 IN NS dns1.sdada.edu.cn.