medclub.org.		30 IN SOA medclub.org. medclub.org. (
				229        ; serial
				36000      ; refresh (10 hours)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				3600       ; minimum (1 hour)
				)

Mail exchangers:
medclub.org.		30 IN MX 10 mxbiz2.qq.com.
medclub.org.		30 IN MX 5 mxbiz1.qq.com.