Registro DMARC
v=DMARC1; p=none; rua=mailto:eciiiiv@gmail.com

Servidores DNS Principal (mname) y Secundario (rname)
host: ec3llc.com
class: IN
ttl: 3600
type: SOA
mname: dns031.a.register.com
rname: root.register.com
serial: 2020091403
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: ec3llc.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx.myregisteredsite.com