30i.cn.			600 IN SOA dns.bizcn.com. abuse.bizcn.com. (
				137        ; serial
				28800      ; refresh (8 hours)
				14400      ; retry (4 hours)
				14400      ; expire (4 hours)
				600        ; minimum (10 minutes)
				)

30i.cn.			120 IN A 47.103.156.93

Mail exchangers:
30i.cn.			120 IN MX 5 mxbiz1.qq.com.
30i.cn.			120 IN MX 10 mxbiz2.qq.com.

Name servers:
30i.cn.			600 IN NS ns2.dns.com.cn.
30i.cn.			600 IN NS ns1.dns.com.cn.