Registro DMARC
v=DMARC1; p=quarantine; sp=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Servidores DNS Principal (mname) y Secundario (rname)
host: bamgrowth.biz
class: IN
ttl: 1688
type: SOA
mname: dns013.a.register.com
rname: root.register.com
serial: 2024121801
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 3600