zkbkw.cn.		30 IN SOA ns1.julydns.com. master.jmdns.com. (
				1767685394 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

zkbkw.cn.		30 IN A	39.109.117.134

Name servers:
zkbkw.cn.		30 IN NS ns1.julydns.com.
zkbkw.cn.		30 IN NS ns2.julydns.com.