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

hke.cn.			30 IN A	123.59.154.172

Mail exchangers:
hke.cn.			30 IN MX 5 mxbiz1.qq.com.
hke.cn.			30 IN MX 10 mxbiz2.qq.com.