whu.edu.cn.		30 IN SOA dns.whu.edu.cn. master.whu.edu.cn. (
				2303063016 ; serial
				120        ; refresh (2 minutes)
				120        ; retry (2 minutes)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

whu.edu.cn.		30 IN TXT "v=spf1 ip4:202.114.64.0/24 ip4:115.156.124.0/24
include:spf.icoremail.net -all"

whu.edu.cn.		30 IN A	115.156.124.13
whu.edu.cn.		30 IN AAAA 2001:250:4001:3::15

Mail exchangers:
whu.edu.cn.		30 IN MX 10 whu.edu.cn.
whu.edu.cn.		30 IN MX 5 smtp.whu.edu.cn.
whu.edu.cn.		30 IN MX 1 mx-whu-edu-cn.icoremail.net.

Name servers:
whu.edu.cn.		30 IN NS wuda.whu.edu.cn.
whu.edu.cn.		30 IN NS dns.whu.edu.cn.