Registro DMARC
v=DMARC1; p=quarantine

Servidores DNS Principal (mname) y Secundario (rname)
host: sticed.org
class: IN
ttl: 300
type: SOA
mname: x.ns.joker.com
rname: hostmaster.joker.com
serial: 2022103033
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: sticed.org
class: IN
ttl: 86400
type: MX
pri: 20
target: mailsec.protonmail.ch

Servidor de Correo
host: sticed.org
class: IN
ttl: 86400
type: MX
pri: 10
target: mail.protonmail.ch

Información TXT
host: sticed.org
class: IN
ttl: 86400
type: TXT
txt: protonmail-verification=7b5d8ff854379b451d5ea9e8becff078218cb488
entries: Array

Información TXT
host: sticed.org
class: IN
ttl: 86400
type: TXT
txt: v=spf1 include:_spf.protonmail.ch mx ~all
entries: Array