Registro DMARC
v=spf1 a:dns.forgetfoo.me ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: forgetfoo.me
class: IN
ttl: 3600
type: SOA
mname: dns.forgetfoo.me
rname: hostmaster.forgetfoo.me
serial: 1770727479
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: forgetfoo.me
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.forgetfoo.me

Información TXT
host: forgetfoo.me
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.forgetfoo.me ~all
entries: Array