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: toryburch.com.br
class: IN
ttl: 14400
type: SOA
mname: udns1.cscdns.net
rname: premiumdns.support.neustar
serial: 2011120131
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 14400

Servidor de Correo
host: toryburch.com.br
class: IN
ttl: 14400
type: MX
pri: 10
target: custmx.cscdns.net