Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: visa-service.com
class: IN
ttl: 3600
type: A
ip: 217.160.214.126

Servidores DNS Principal (mname) y Secundario (rname)
host: visa-service.com
class: IN
ttl: 600
type: SOA
mname: ns1072.ui-dns.com
rname: hostmaster.1und1.com
serial: 2017060123
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: visa-service.com
class: IN
ttl: 3600
type: MX
pri: 0
target: visaservice-com01b.mail.protection.outlook.com

Información TXT
host: visa-service.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
entries: Array