Registro DMARC
v=spf1 +a +mx +a:mail.rustenbach.org -all

Registro IPv4
host: rustenbach.org
class: IN
ttl: 90
type: A
ip: 81.169.195.151

Servidores DNS Principal (mname) y Secundario (rname)
host: rustenbach.org
class: IN
ttl: 150
type: SOA
mname: ns3.stratoserver.net
rname: hostmaster.strato-rz.de
serial: 2020050707
refresh: 86400
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: rustenbach.org
class: IN
ttl: 150
type: MX
pri: 10
target: mail.rustenbach.org

Servidor de Correo
host: rustenbach.org
class: IN
ttl: 150
type: MX
pri: 100
target: relay.rzone.de

Información TXT
host: rustenbach.org
class: IN
ttl: 150
type: TXT
txt: v=spf1 +a +mx +a:mail.rustenbach.org -all
entries: Array