Servidores DNS Principal (mname) y Secundario (rname)
host: itdelicias.edu.mx
class: IN
ttl: 3600
type: SOA
mname: halcones
rname: hostmaster
serial: 637
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

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

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