Servidores DNS Principal (mname) y Secundario (rname)
host: fileserve.com
class: IN
ttl: 1787
type: SOA
mname: nick.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2386567766
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: fileserve.com
class: IN
ttl: 287
type: MX
pri: 0
target: mail.fileserve.com

Servidor de Correo
host: fileserve.com
class: IN
ttl: 287
type: MX
pri: 10
target: mail.fileserve.com