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: 1800
type: SOA
mname: ns1.uplink.cz
rname: dns.uplink.cz
serial: 2026062101
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 3600

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