Registro DMARC
v=DMARC1; p=reject; rua=mailto:adeeb5c538f9684@rep.dmarcanalyzer.com; ruf=mailto:adeeb5c538f9684@for.dmarcanalyzer.com; fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: vizzavi.pt
class: IN
ttl: 21600
type: SOA
mname: ns-a1.vodafone.pt
rname: dnsadmin.corp.vodafone.pt
serial: 2025042400
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 3600

Información TXT
host: vizzavi.pt
class: IN
ttl: 21600
type: TXT
txt: v=spf1 ~all
entries: Array