Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Servidores DNS Principal (mname) y Secundario (rname)
host: sorbetbank.com
class: IN
ttl: 300
type: SOA
mname: ns3.bmo.com
rname: hostmaster.bmo.com
serial: 2023040602
refresh: 300
retry: 600
expire: 2419200
minimum-ttl: 300

Información TXT
host: sorbetbank.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array