caodangtuyenquang.edu.vn. 30 IN	SOA ns1.zonedns.vn. root.caodangtuyenquang.edu.vn. (
				2020042304 ; serial
				1200       ; refresh (20 minutes)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

caodangtuyenquang.edu.vn. 30 IN	A 103.90.235.100

Mail exchangers:
caodangtuyenquang.edu.vn. 30 IN	MX 10 mail.caodangtuyenquang.edu.vn.

Name servers:
caodangtuyenquang.edu.vn. 30 IN	NS ns2.zonedns.vn.
caodangtuyenquang.edu.vn. 30 IN	NS ns3.zonedns.vn.
caodangtuyenquang.edu.vn. 30 IN	NS ns1.zonedns.vn.