Servidores DNS Principal (mname) y Secundario (rname)
host: coteor.net.bo
class: IN
ttl: 3600
type: SOA
mname: dns1
rname: hostmaster
serial: 301
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: coteor.net.bo
class: IN
ttl: 3600
type: MX
pri: 10
target: email.coteor.net.bo