Registro DMARC
v=DMARC1; p=quarantine; pct=100; 

Registro IPv4
host: vidainvest.cz
class: IN
ttl: 3600
type: A
ip: 80.79.27.14

Servidores DNS Principal (mname) y Secundario (rname)
host: vidainvest.cz
class: IN
ttl: 3600
type: SOA
mname: server1.a-do.cz
rname: helpdesk.atelier-dokument.cz
serial: 2025021301
refresh: 7200
retry: 540
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: vidainvest.cz
class: IN
ttl: 1800
type: MX
pri: 10
target: mailer.a-do.cz

Servidor de Correo
host: vidainvest.cz
class: IN
ttl: 1800
type: MX
pri: 20
target: server1.a-do.cz

Información TXT
host: vidainvest.cz
class: IN
ttl: 600
type: TXT
txt: v=spf1 ip4:80.79.27.109/24 include:a-do.cz include:_spf.google.com ?all
entries: Array