Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@postanads.com

Servidores DNS Principal (mname) y Secundario (rname)
host: postanads.com
class: IN
ttl: 1800
type: SOA
mname: clyde.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2355644404
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: postanads.com
class: IN
ttl: 300
type: MX
pri: 10
target: route1.mx.cloudflare.net

Servidor de Correo
host: postanads.com
class: IN
ttl: 300
type: MX
pri: 10
target: route3.mx.cloudflare.net

Servidor de Correo
host: postanads.com
class: IN
ttl: 300
type: MX
pri: 10
target: route2.mx.cloudflare.net

Información TXT
host: postanads.com
class: IN
ttl: 300
type: TXT
txt: v=spf1  include:_spf.mx.cloudflare.net mx  ip4:23.105.39.93 ip4:23.106.47.13 ip4:23.106.47.23 ip4:23.106.47.69 ip4:23.82.16.154 ip4:23.82.16.162 ip4:23.82.16.217 -all
entries: Array