Registro DMARC
v=DMARC1; p=none; 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: price-waterhouse-coopers.com
class: IN
ttl: 14400
type: SOA
mname: dns1.cscdns.net
rname: hostmaster.cscdns.net
serial: 2025071802
refresh: 900
retry: 300
expire: 604800
minimum-ttl: 14400