noithathoitruong.com.vn. 30 IN SOA nsbak.dotvndns.com. hostmaster.noithathoitruong.com.vn.
(
				2021110714 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

noithathoitruong.com.vn. 30 IN TXT "v=spf1 a mx ~all"

noithathoitruong.com.vn. 30 IN A 103.9.157.140

Name servers:
noithathoitruong.com.vn. 30 IN NS nsbak.dotvndns.com.
noithathoitruong.com.vn. 30 IN NS ns1.dotvndns.vn.
noithathoitruong.com.vn. 30 IN NS ns2.dotvndns.vn.