xbkfw.cn.		30 IN SOA v1s1.xundns.com. nsadmin.xundns.com. (
				5324605    ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

xbkfw.cn.		30 IN A	122.10.12.151

Name servers:
xbkfw.cn.		30 IN NS v1s1.xundns.com.
xbkfw.cn.		30 IN NS v1s2.xundns.com.