Servidores DNS Principal (mname) y Secundario (rname)
host: munzl.com
class: IN
ttl: 21600
type: SOA
mname: dns1.internic.at
rname: hostmaster.internic.at
serial: 2017122002
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: munzl.com
class: IN
ttl: 21600
type: MX
pri: 20
target: mail4.internic.at