ruc.edu.cn.		30 IN SOA ns.ruc.edu.cn. noc.ruc.edu.cn. (
				87         ; serial
				18000      ; refresh (5 hours)
				300        ; retry (5 minutes)
				86400      ; expire (1 day)
				3600       ; minimum (1 hour)
				)

ruc.edu.cn.		30 IN TXT "v=spf1 include:spf.163.com -all"

ruc.edu.cn.		30 IN A	222.29.216.11

Mail exchangers:
ruc.edu.cn.		30 IN MX 5 hzmx01.mxmail.netease.com.
ruc.edu.cn.		30 IN MX 10 hzmx02.mxmail.netease.com.

Name servers:
ruc.edu.cn.		30 IN NS dns2.ruc.edu.cn.
ruc.edu.cn.		30 IN NS dns1.ruc.edu.cn.