datvo.vn.		30 IN SOA ns1.hoangthanh.net. admin.matbao.com. (
				2021090908 ; serial
				10001      ; refresh (2 hours 46 minutes 41 seconds)
				1801       ; retry (30 minutes 1 second)
				604801     ; expire (1 week 1 second)
				181        ; minimum (3 minutes 1 second)
				)

datvo.vn.		30 IN TXT "v=spf1 include:emailservertenten.com ~all"

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

Name servers:
datvo.vn.		30 IN NS ns1.hoangthanh.net.
datvo.vn.		30 IN NS ns2.hoangthanh.net.