Registro DMARC
V=DMARC1; p=reject

Servidores DNS Principal (mname) y Secundario (rname)
host: west-pool.se
class: IN
ttl: 1800
type: SOA
mname: udns1.cscdns.net
rname: premiumdns.support.neustar
serial: 2022121555
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 172800

Información TXT
host: west-pool.se
class: IN
ttl: 21600
type: TXT
txt: v=spf1 -all
entries: Array