5d.cn.			30 IN SOA . hostmaster.nameserver. (
				322        ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				5          ; minimum (5 seconds)
				)

5d.cn.			30 IN A	60.190.171.228

Mail exchangers:
5d.cn.			30 IN MX 10 mail.5d.cn.