Servidores DNS Principal (mname) y Secundario (rname)
host: netstore.cz
class: IN
ttl: 360
type: SOA
mname: ns1.ignum.com
rname: hostmaster.ignum.cz
serial: 2020120501
refresh: 10800
retry: 360
expire: 604800
minimum-ttl: 360

Servidor de Correo
host: netstore.cz
class: IN
ttl: 360
type: MX
pri: 10
target: smtp.onlio.com