Registro DMARC
v=spf1 mx a include:ispgateway.de -all

Registro IPv4
host: competence-hv.de
class: IN
ttl: 3600
type: A
ip: 85.13.129.22

Servidores DNS Principal (mname) y Secundario (rname)
host: competence-hv.de
class: IN
ttl: 3600
type: SOA
mname: ns81.domaincontrol.com
rname: dns.jomax.net
serial: 2023080701
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: competence-hv.de
class: IN
ttl: 3600
type: MX
pri: 100
target: mxlb.ispgateway.de

Información TXT
host: competence-hv.de
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx a include:ispgateway.de ~all
entries: Array