Registro IPv4
host: cdkeys.cz
class: IN
ttl: 3600
type: A
ip: 5.9.43.252

Servidores DNS Principal (mname) y Secundario (rname)
host: cdkeys.cz
class: IN
ttl: 3600
type: SOA
mname: ns1.uplink.cz
rname: support.uplink.cz
serial: 2023052703
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: cdkeys.cz
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.uplink.cz