Registro IPv4
host: realfreeweb.com
class: IN
ttl: 1690
type: A
ip: 144.91.82.5

Servidores DNS Principal (mname) y Secundario (rname)
host: realfreeweb.com
class: IN
ttl: 3600
type: SOA
mname: ns1.contabo.net
rname: hostmaster.contabo.de
serial: 1792644298
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: realfreeweb.com
class: IN
ttl: 13895
type: MX
pri: 10
target: mail.realfreeweb.com