Servidores DNS Principal (mname) y Secundario (rname)
host: ds-tour.com
class: IN
ttl: 341
type: SOA
mname: ds-tour.com
rname: postmaster.ds-tour.com
serial: 20150910
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: ds-tour.com
class: IN
ttl: 342
type: MX
pri: 10
target: uws64-186.cafe24.com