zam.vn.			30 IN SOA nsbak.pavietnam.net. hostmaster.zam.vn. (
				2023050615 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

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

zam.vn.			30 IN A	45.124.92.33

Mail exchangers:
zam.vn.			30 IN MX 10 mail.zam.vn.

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