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: bi-lounion.com
class: IN
ttl: 86400
type: SOA
mname: ns1-05.azure-dns.com
rname: hostmaster.bi-lounion.com
serial: 2024102401
refresh: 900
retry: 300
expire: 604800
minimum-ttl: 600

Información TXT
host: bi-lounion.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 -all
entries: Array