Registro DMARC
v=DMARC1;p=none

Registro IPv4
host: ml2.fleetmailer.com
class: IN
ttl: 3157
type: A
ip: 190.105.144.32

Servidor de Correo
host: ml2.fleetmailer.com
class: IN
ttl: 3600
type: MX
pri: 10
target: ml2.fleetmailer.com

Información TXT
host: ml2.fleetmailer.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx include:spf.os-ns.com ~all
entries: Array