Servidores DNS Principal (mname) y Secundario (rname)
host: shop-kt.net
class: IN
ttl: 1800
type: SOA
mname: shop-kt.net
rname: postmaster.shop-kt.net
serial: 20200724
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: shop-kt.net
class: IN
ttl: 1800
type: MX
pri: 10
target: mw-002.cafe24.com