Registro IPv4
host: citem.cz
class: IN
ttl: 43200
type: A
ip: 77.240.179.217

Servidores DNS Principal (mname) y Secundario (rname)
host: citem.cz
class: IN
ttl: 43200
type: SOA
mname: mail.espo.cz
rname: michal.slaby.espo.cz
serial: 2023022113
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: citem.cz
class: IN
ttl: 43200
type: MX
pri: 1
target: email.mzm.cz