Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@code-it.de; ruf=mailto:dmarc@code-it.de; adkim=s; aspf=s; fo=1

Registro IPv4
host: hol.st
class: IN
ttl: 3600
type: A
ip: 159.195.53.107

Servidores DNS Principal (mname) y Secundario (rname)
host: hol.st
class: IN
ttl: 21600
type: SOA
mname: ns1.variomedia.de
rname: support.variomedia.de
serial: 2026021565
refresh: 28800
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: hol.st
class: IN
ttl: 3600
type: MX
pri: 10
target: code-it.de

Información TXT
host: hol.st
class: IN
ttl: 3600
type: TXT
txt: v=spf1 redirect=code-it.de
entries: Array