Registro DMARC
v=DMARC1; p=quarantine;  rua=mailto:info@freeweb4all.net; ruf=mailto:info@freeweb4all.net; fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: freeweb4all.net
class: IN
ttl: 932
type: SOA
mname: ns1.first-ns.de
rname: dns.hetzner.com
serial: 2025041800
refresh: 14400
retry: 1800
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: freeweb4all.net
class: IN
ttl: 932
type: MX
pri: 10
target: mail.freeweb4all.net

Información TXT
host: freeweb4all.net
class: IN
ttl: 932
type: TXT
txt: v=spf1 a mx ip4:136.243.57.233 ~all
entries: Array