thitruong247.vn.	30 IN SOA ns1.vmms.vn. admin.thitruong247.vn. (
				2019030967 ; serial
				3600       ; refresh (1 hour)
				600        ; retry (10 minutes)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

thitruong247.vn.	30 IN TXT "v=spf1 a mx ip4:42.112.36.79 ~all"
thitruong247.vn.	30 IN TXT "v=spf1 a mx -all"

thitruong247.vn.	30 IN A	123.30.235.123

Mail exchangers:
thitruong247.vn.	30 IN MX 10 mail.thitruong247.vn.
thitruong247.vn.	30 IN MX 15 thitruong247.vn.

Name servers:
thitruong247.vn.	30 IN NS ns1.vmms.vn.
thitruong247.vn.	30 IN NS ns2.vmms.vn.