Servidores DNS Principal (mname) y Secundario (rname)
host: thenguyen.edu.vn
class: IN
ttl: 1800
type: SOA
mname: erin.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2389603870
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: thenguyen.edu.vn
class: IN
ttl: 3600
type: MX
pri: 0
target: thenguyen-edu-vn.mail.protection.outlook.com

Información TXT
host: thenguyen.edu.vn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array

Información TXT
host: thenguyen.edu.vn
class: IN
ttl: 3600
type: TXT
txt: MS=ms70424834
entries: Array