dthu.edu.vn.		30 IN SOA vdc-hn01.vnn.vn. postmaster.vnn.vn. (
				2024121202 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

dthu.edu.vn.		30 IN TXT "v=spf1 include:outlook.com ~all"

dthu.edu.vn.		30 IN A	125.234.251.115

Mail exchangers:
dthu.edu.vn.		30 IN MX 5 ALT1.ASPMX.L.GOOGLE.COM.
dthu.edu.vn.		30 IN MX 10 ASPMX2.GOOGLEMAIL.COM.
dthu.edu.vn.		30 IN MX 1 ASPMX.L.GOOGLE.COM.
dthu.edu.vn.		30 IN MX 10 ASPMX3.GOOGLEMAIL.COM.
dthu.edu.vn.		30 IN MX 5 ALT2.ASPMX.L.GOOGLE.COM.

Name servers:
dthu.edu.vn.		30 IN NS hcm-server1.vnn.vn.
dthu.edu.vn.		30 IN NS vdc-hn01.vnn.vn.