Servidores DNS Principal (mname) y Secundario (rname)
host: oemdirectory.com
class: IN
ttl: 7200
type: SOA
mname: ns1.pbi.net
rname: rm-hostmaster.ems.att.com
serial: 1
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 7200

Servidor de Correo
host: oemdirectory.com
class: IN
ttl: 7200
type: MX
pri: 10
target: metala.com

Servidor de Correo
host: oemdirectory.com
class: IN
ttl: 7200
type: MX
pri: 100
target: smtp-relay.pbi.net