Registro DMARC
v=DMARC1;p=none;sp=none;pct=50;adkim=r;aspf=r;

Registro IPv4
host: citytransport.ch
class: IN
ttl: 7200
type: A
ip: 188.40.29.45

Servidores DNS Principal (mname) y Secundario (rname)
host: citytransport.ch
class: IN
ttl: 7200
type: SOA
mname: ns1.your-server.de
rname: postmaster.your-server.de
serial: 2023112800
refresh: 86400
retry: 10800
expire: 3600000
minimum-ttl: 7200

Servidor de Correo
host: citytransport.ch
class: IN
ttl: 7200
type: MX
pri: 10
target: mail.citytransport.ch

Información TXT
host: citytransport.ch
class: IN
ttl: 90
type: TXT
txt: v=spf1 +a +mx ?all
entries: Array

Información TXT
host: citytransport.ch
class: IN
ttl: 90
type: TXT
txt: google-site-verification=ZOo-f3Ih7y21f8UwbMfHtlxBjSJGKgUi31NadNuJ1xE
entries: Array

Información TXT
host: citytransport.ch
class: IN
ttl: 90
type: TXT
txt: v=spf1 a mx ptr ?all
entries: Array