Registro IPv4
host: yczn.cz
class: IN
ttl: 3600
type: A
ip: 31.15.10.69

Servidores DNS Principal (mname) y Secundario (rname)
host: yczn.cz
class: IN
ttl: 1800
type: SOA
mname: alfa.ns.active24.cz
rname: hostmaster.active24.cz
serial: 2017052914
refresh: 10800
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: yczn.cz
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.active24.com

Servidor de Correo
host: yczn.cz
class: IN
ttl: 3600
type: MX
pri: 20
target: mx2.active24.com