Registro DMARC
v=spf1 include:_netblocks.zdsys.com ~all

Registro IPv4
host: bravesoftware.zendesk.com
class: IN
ttl: 300
type: A
ip: 216.198.53.1

Registro IPv4
host: bravesoftware.zendesk.com
class: IN
ttl: 300
type: A
ip: 216.198.54.1

Servidor de Correo
host: bravesoftware.zendesk.com
class: IN
ttl: 900
type: MX
pri: 10
target: mail-pod-13.int.zendesk.com

Información TXT
host: bravesoftware.zendesk.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 include:mail.zendesk.com ~all
entries: Array

Información TXT
host: bravesoftware.zendesk.com
class: IN
ttl: 900
type: TXT
txt: pod=13
entries: Array