Registro DMARC
v=DMARC1;p=reject;sp=reject;

Registro IPv4
host: freeddns.org
class: IN
ttl: 21600
type: A
ip: 162.216.242.208

Servidores DNS Principal (mname) y Secundario (rname)
host: freeddns.org
class: IN
ttl: 3600
type: SOA
mname: ns1.dynu.com
rname: administrator.dynu.com
serial: 47165261
refresh: 1800
retry: 300
expire: 86400
minimum-ttl: 1800

Información TXT
host: freeddns.org
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=vyl7uPNXeeVOaZEVGdzDT0gaTZnzHqikxavbXvzQ4UE
entries: Array

Información TXT
host: freeddns.org
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=JsXqG2NEy8Igf6nn42v0tPN3sXUrXgorN1nqDsz2qhw
entries: Array

Información TXT
host: freeddns.org
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array