Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@iso.pl; ruf=mailto:dmarc@iso.pl; fo=1

Registro IPv4
host: iso.pl
class: IN
ttl: 86400
type: A
ip: 91.206.7.101

Servidores DNS Principal (mname) y Secundario (rname)
host: iso.pl
class: IN
ttl: 900
type: SOA
mname: ns-1632.awsdns-12.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: iso.pl
class: IN
ttl: 3600
type: MX
pri: 0
target: iso-pl.mail.protection.outlook.com

Información TXT
host: iso.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: v=spf1 include:spf.protection.outlook.com -all