zhihao17.com.		30 IN SOA ns1.julydns.com. master.jmdns.com. (
				1728095111 ; serial
				3600       ; refresh (1 hour)
				1200       ; retry (20 minutes)
				86400      ; expire (1 day)
				600        ; minimum (10 minutes)
				)

zhihao17.com.		1 IN A	160.121.112.250

Name servers:
zhihao17.com.		30 IN NS ns1.julydns.com.
zhihao17.com.		30 IN NS ns2.julydns.com.