Servidores DNS Principal (mname) y Secundario (rname)
host: ip-pool.com
class: IN
ttl: 2560
type: SOA
mname: ns1.nameserverservice.de
rname: hostmaster.ns1.nameserverservice.de
serial: 2024013002
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: ip-pool.com
class: IN
ttl: 86400
type: MX
pri: 10
target: mx0.hosteurope.de