Registro DMARC
v=spf1 ip4:51.68.200.239 ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: restorativesleepsystems.com
class: IN
ttl: 3600
type: SOA
mname: ns71.cloudns.net
rname: support.cloudns.net
serial: 1982032167
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: restorativesleepsystems.com
class: IN
ttl: 3600
type: MX
pri: 0
target: contact.restorativesleepsystems.com

Información TXT
host: restorativesleepsystems.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:51.68.200.239 ~all
entries: Array