Registro DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:4299cb39@mxtoolbox.dmarc-report.com,mailto:mailforensics@navyfederal.org; ruf=mailto:4299cb39@forensics.dmarc-report.com,mailto:mailforensics@navyfederal.org;fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: usafedcu.org
class: IN
ttl: 21600
type: SOA
mname: a18-66.akam.net
rname: hostmaster.akamai.com
serial: 1556792462
refresh: 43200
retry: 7200
expire: 604800
minimum-ttl: 7200

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