Servidores DNS Principal (mname) y Secundario (rname)
host: slezskanoc.cz
class: IN
ttl: 7986
type: SOA
mname: ns1.riomedia.cz
rname: hostmaster.riomedia.cz
serial: 2013012902
refresh: 10800
retry: 900
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: slezskanoc.cz
class: IN
ttl: 14400
type: MX
pri: 5
target: smtp3.nej.cz

Servidor de Correo
host: slezskanoc.cz
class: IN
ttl: 14400
type: MX
pri: 0
target: web-mail.802.cz