Registro IPv4
host: ru.cz
class: IN
ttl: 79374
type: A
ip: 154.12.230.185

Servidores DNS Principal (mname) y Secundario (rname)
host: ru.cz
class: IN
ttl: 79374
type: SOA
mname: ns1.contabo.net
rname: hostmaster.contabo.com
serial: 2024112101
refresh: 3600
retry: 7200
expire: 2419200
minimum-ttl: 10800

Servidor de Correo
host: ru.cz
class: IN
ttl: 79374
type: MX
pri: 10
target: mail.ru.cz