pku.edu.cn.		30 IN SOA ns.pku.edu.cn. hostmaster.pku.edu.cn. (
				2024110404 ; serial
				3600       ; refresh (1 hour)
				300        ; retry (5 minutes)
				86400      ; expire (1 day)
				3600       ; minimum (1 hour)
				)

pku.edu.cn.		30 IN TXT "_hzos8v1tcdrxo5uk1i5qyl7pnu7w15x"
pku.edu.cn.		30 IN TXT "v=spf1 ip4:162.105.129.0/24 include:spf.icoremail.net
-all"

pku.edu.cn.		30 IN A	162.105.131.160

Mail exchangers:
pku.edu.cn.		30 IN MX 10 mx1.pku.edu.cn.
pku.edu.cn.		30 IN MX 10 mx2.pku.edu.cn.

Name servers:
pku.edu.cn.		30 IN NS DNS.pku.edu.cn.
pku.edu.cn.		30 IN NS ns.pku.edu.cn.
pku.edu.cn.		30 IN NS DNS2.pku.edu.cn.