tec.edu.vn.		30 IN SOA ns1.vdconline.vn. vdconline.tld. (
				2026012908 ; serial
				28805      ; refresh (8 hours 5 seconds)
				7200       ; retry (2 hours)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

tec.edu.vn.		30 IN TXT "v=spf1 include:spf.protection.outlook.com -all"
tec.edu.vn.		30 IN TXT "MS=ms48407744"

tec.edu.vn.		30 IN A	103.138.88.105

Mail exchangers:
tec.edu.vn.		30 IN MX 10 tec-edu-vn.mail.protection.outlook.com.

Name servers:
tec.edu.vn.		30 IN NS ns1.vdconline.vn.
tec.edu.vn.		30 IN NS ns2.vdconline.vn.