Registro DMARC
v=spf1 -all

Registro IPv4
host: us.org
class: IN
ttl: 3600
type: A
ip: 54.153.56.183

Registro CNAME (Alias)
host: polo.us.org
class: IN
ttl: 3600
type: CNAME
target: us.org

Servidores DNS Principal (mname) y Secundario (rname)
host: us.org
class: IN
ttl: 3600
type: SOA
mname: ns0.centralnic.net
rname: hostmaster.centralnic.net
serial: 170798
refresh: 900
retry: 1800
expire: 6048000
minimum-ttl: 3600

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 10
target: aspmx.l.google.com

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 30
target: aspmx5.googlemail.com

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 30
target: aspmx3.googlemail.com

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 30
target: aspmx4.googlemail.com

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 20
target: alt1.aspmx.l.google.com

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 30
target: aspmx2.googlemail.com

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 0
target: 

Servidor de Correo
host: us.org
class: IN
ttl: 3600
type: MX
pri: 20
target: alt2.aspmx.l.google.com

Información TXT
host: us.org
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array

Registro CNAME (Alias)
host: polo.us.org
class: IN
ttl: 3599
type: CNAME
target: us.org