Registro IPv4
host: sfcmn.com
class: IN
ttl: 7200
type: A
ip: 209.17.116.163

Servidores DNS Principal (mname) y Secundario (rname)
host: sfcmn.com
class: IN
ttl: 7200
type: SOA
mname: DNS101.REGISTER.com
rname: root.REGISTER.com
serial: 124090914
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: sfcmn.com
class: IN
ttl: 14400
type: MX
pri: 10
target: mail.sfcmn.com