Registro DMARC
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100

Servidores DNS Principal (mname) y Secundario (rname)
host: ethereal-ps.com
class: IN
ttl: 1800
type: SOA
mname: rodney.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2355373669
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: ethereal-ps.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx2.titan.email

Servidor de Correo
host: ethereal-ps.com
class: IN
ttl: 300
type: MX
pri: 5
target: mx1.titan.email

Información TXT
host: ethereal-ps.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.titan.email ~all
entries: Array