Registro DMARC
v=spf1 include:ispgateway.de include:secureserver.net ~all

Registro IPv4
host: optiform-online.de
class: IN
ttl: 600
type: A
ip: 92.205.171.252

Servidores DNS Principal (mname) y Secundario (rname)
host: optiform-online.de
class: IN
ttl: 3600
type: SOA
mname: ns81.domaincontrol.com
rname: dns.jomax.net
serial: 2025102601
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: optiform-online.de
class: IN
ttl: 600
type: MX
pri: 0
target: optiformonline-de02b.mail.protection.outlook.com

Información TXT
host: optiform-online.de
class: IN
ttl: 600
type: TXT
txt: NETORGFT19781113.onmicrosoft.com
entries: Array

Información TXT
host: optiform-online.de
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:ispgateway.de include:secureserver.net ~all
entries: Array