Registro DMARC
v=DMARC1; p=none; pct=0; fo=1; rua=mailto:katz@speedfinger.com; ruf=mailto:katz@speedfinger.com; sp=none; adkim=r; aspf=r

Servidores DNS Principal (mname) y Secundario (rname)
host: speedfinger.com
class: IN
ttl: 1800
type: SOA
mname: bob.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2413725959
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: speedfinger.com
class: IN
ttl: 300
type: MX
pri: 10
target: box.speedfinger.com

Información TXT
host: speedfinger.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx -all
entries: Array