Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: sindnet.dk
class: IN
ttl: 600
type: A
ip: 65.21.201.194

Servidores DNS Principal (mname) y Secundario (rname)
host: sindnet.dk
class: IN
ttl: 600
type: SOA
mname: ns01.one.com
rname: hostmaster.one.com
serial: 2025051601
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 600

Servidor de Correo
host: sindnet.dk
class: IN
ttl: 600
type: MX
pri: 10
target: mail.protonmail.ch

Servidor de Correo
host: sindnet.dk
class: IN
ttl: 600
type: MX
pri: 20
target: mailsec.protonmail.ch

Información TXT
host: sindnet.dk
class: IN
ttl: 600
type: TXT
txt: protonmail-verification=74b8d2121a567eca7ffd63bcb36e38f1b6368bf0
entries: Array

Información TXT
host: sindnet.dk
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:_spf.protonmail.ch mx ip4:62.138.8.225 ~all
entries: Array