Registro DMARC
v=DMARC1; p=none; pct=100; rua=mailto:sabrilc@sai.utb.edu.ec

Registro IPv4
host: sai.utb.edu.ec
class: IN
ttl: 300
type: A
ip: 190.15.129.137

Servidor de Correo
host: sai.utb.edu.ec
class: IN
ttl: 300
type: MX
pri: 10
target: mail.sai.utb.edu.ec

Información TXT
host: sai.utb.edu.ec
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ~all
entries: v=spf1 mx ~all