Registro IPv4
host: smart-http.com
class: IN
ttl: 3600
type: A
ip: 144.21.54.37

Servidores DNS Principal (mname) y Secundario (rname)
host: smart-http.com
class: IN
ttl: 86400
type: SOA
mname: ns1.zonomi.com
rname: soacontact.zonomi.com
serial: 19
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: smart-http.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mail2.smart-http.com