Registro IPv4
host: smartgreenholding.com
class: IN
ttl: 3600
type: A
ip: 5.9.152.45

Servidores DNS Principal (mname) y Secundario (rname)
host: smartgreenholding.com
class: IN
ttl: 21280
type: SOA
mname: ns1052.ui-dns.org
rname: hostmaster.1and1.es
serial: 2017080701
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: smartgreenholding.com
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: smartgreenholding.com
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com