Registro DMARC
v=DMARC1; p=reject; rua=mailto:c0f1617a@inbox.ondmarc.com; ruf=mailto:c0f1617a@inbox.ondmarc.com;

Servidores DNS Principal (mname) y Secundario (rname)
host: ravnicaallegiance.org
class: IN
ttl: 86400
type: SOA
mname: a1-76.akam.net
rname: hostmaster.ravnicaallegiance.org
serial: 2023020100
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 300

Información TXT
host: ravnicaallegiance.org
class: IN
ttl: 1800
type: TXT
txt: v=spf1 -all
entries: Array