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

Servidores DNS Principal (mname) y Secundario (rname)
host: costreport.com
class: IN
ttl: 86400
type: SOA
mname: pdns98.ultradns.com
rname: netops.forvis.com
serial: 2025040300
refresh: 86400
retry: 86400
expire: 86400
minimum-ttl: 0

Servidor de Correo
host: costreport.com
class: IN
ttl: 3600
type: MX
pri: 0
target: 

Información TXT
host: costreport.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array