Registro DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@gofreeserve.com,mailto:dmarc@gofreeserve.com; pct=100; adkim=s; aspf=s

Servidores DNS Principal (mname) y Secundario (rname)
host: gofreeserve.com
class: IN
ttl: 352
type: SOA
mname: ns1.name.com
rname: hostmaster.nsone.net
serial: 1595410273
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 3600

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

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

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

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

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

Información TXT
host: gofreeserve.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array