Registro DMARC
v=spf1 mx a ptr ip4:5.9.182.91/32 ip4:136.243.251.166/32 a:mail.billenetz.de ~all

Registro IPv4
host: simreal.ch
class: IN
ttl: 300
type: A
ip: 136.243.251.166

Servidores DNS Principal (mname) y Secundario (rname)
host: simreal.ch
class: IN
ttl: 300
type: SOA
mname: ns2.goeldi.net
rname: goeldi.gmail.com
serial: 2022042804
refresh: 3600
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: simreal.ch
class: IN
ttl: 300
type: MX
pri: 10
target: mail.simreal.ch

Información TXT
host: simreal.ch
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx a ptr ip4:5.9.182.91/32 ip4:136.243.251.166/32 a:mail.billenetz.de ~all
entries: Array