Registro IPv4
host: leonpos.com
class: IN
ttl: 90
type: A
ip: 72.180.76.191

Servidores DNS Principal (mname) y Secundario (rname)
host: leonpos.com
class: IN
ttl: 21600
type: SOA
mname: ns2.no-ip.com
rname: hostmaster.no-ip.com
serial: 2017071820
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: leonpos.com
class: IN
ttl: 1800
type: MX
pri: 5
target: mail.leonpos.com