Registro DMARC
v=DMARC1; p=reject; aspf=s; adkim=s; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Servidores DNS Principal (mname) y Secundario (rname)
host: corporatetaxoffice.com
class: IN
ttl: 479
type: SOA
mname: pdns1.cscdns.net
rname: us_domain\.registrar.pwc.com
serial: 774726934
refresh: 900
retry: 600
expire: 604800
minimum-ttl: 600

Información TXT
host: corporatetaxoffice.com
class: IN
ttl: 11279
type: TXT
txt: v=spf1 -all
entries: Array