Registro DMARC
v=DMARC1;  p=none; rua=mailto:0fbf82f69ba2405dab80170ced1107e5@dmarc-reports.cloudflare.net

Servidores DNS Principal (mname) y Secundario (rname)
host: bb12.org
class: IN
ttl: 1800
type: SOA
mname: coen.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2391202652
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: bb12.org
class: IN
ttl: 300
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: bb12.org
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: bb12.org
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: bb12.org
class: IN
ttl: 300
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: bb12.org
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com