Registro DMARC
v=DMARC1; p=none; aspf=r; sp=none

Registro IPv4
host: santander-banco.com
class: IN
ttl: 300
type: A
ip: 185.105.110.5

Servidores DNS Principal (mname) y Secundario (rname)
host: santander-banco.com
class: IN
ttl: 300
type: SOA
mname: isp102.mchost.ru
rname: support.mchost.ru
serial: 2025081106
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: santander-banco.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.santander-banco.com

Información TXT
host: santander-banco.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:185.105.110.5 a mx ~all
entries: Array