duhocidc.edu.vn.	30 IN SOA ns1.pavietnam.vn. hostmaster.duhocidc.edu.vn. (
				2023083106 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

duhocidc.edu.vn.	30 IN TXT "v=spf1 a mx ~all"

duhocidc.edu.vn.	30 IN A	103.77.162.16

Name servers:
duhocidc.edu.vn.	30 IN NS nsbak.pavietnam.net.
duhocidc.edu.vn.	30 IN NS ns1.pavietnam.vn.
duhocidc.edu.vn.	30 IN NS ns2.pavietnam.vn.