51park.com.cn.		30 IN SOA ns1.51park.com.cn. root.ns1.51park.com.cn. (
				122        ; serial
				36000      ; refresh (10 hours)
				600        ; retry (10 minutes)
				1800       ; expire (30 minutes)
				3600       ; minimum (1 hour)
				)

51park.com.cn.		30 IN TXT "v=spf1 include:spf.mail.qq.com ~all"

51park.com.cn.		30 IN A	118.190.24.245

Mail exchangers:
51park.com.cn.		30 IN MX 10 mxbiz2.qq.com.
51park.com.cn.		30 IN MX 5 mxbiz1.qq.com.