Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: isfsystems.es
class: IN
ttl: 90
type: A
ip: 185.22.92.229

Servidores DNS Principal (mname) y Secundario (rname)
host: isfsystems.es
class: IN
ttl: 90
type: SOA
mname: ns2.customprofessionalhosting.com
rname: avisos.customprofessionalhosting.com
serial: 2026070201
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: isfsystems.es
class: IN
ttl: 90
type: MX
pri: 0
target: isfsystems-es.mail.protection.outlook.com

Información TXT
host: isfsystems.es
class: IN
ttl: 90
type: TXT
txt: v=spf1 a mx ip4:185.22.92.0/23 include:cph-691-100.customprofessionalhosting.com include:cph-smtp-gw134.customprofessionalhosting.com include:spf.protection.outlook.com -all
entries: Array