bigship.vn.		3600 IN	SOA ns1.matbao.vn. admin.matbao.com. (
				2018070304 ; serial
				7200       ; refresh (2 hours)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

bigship.vn.		3600 IN	A 103.1.237.4

Name servers:
bigship.vn.		3600 IN	NS ns1.matbao.vn.
bigship.vn.		3600 IN	NS ns2.matbao.vn.