Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: smartbrief.com
class: IN
ttl: 300
type: A
ip: 141.193.213.10

Registro IPv4
host: smartbrief.com
class: IN
ttl: 300
type: A
ip: 141.193.213.11

Servidores DNS Principal (mname) y Secundario (rname)
host: smartbrief.com
class: IN
ttl: 900
type: SOA
mname: ns-1609.awsdns-09.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: smartbrief.com
class: IN
ttl: 300
type: MX
pri: 20
target: corpmail.smartbrief.com

Servidor de Correo
host: smartbrief.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.smartbrief.com

Información TXT
host: smartbrief.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:72.32.59.0/27 ip4:72.32.158.112/28 ip4:74.205.115.168/29 ip4:72.3.211.216/29 ip4:209.61.129.188/30 ip4:72.32.38.65/29 ip4:174.143.42.35/32 ip4:64.125.99.250/32 include:_spf.google.com include:_spfa.smartbrief.com -all
entries: Array

Información TXT
host: smartbrief.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=hSIjbroCEJRHm54jImz9HBKGY2WmGQ2RE0SvrmYiBAg
entries: Array

Información TXT
host: smartbrief.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=xmELWuiQrKVQirHo5Ad-GoZoMWVaX9RpZKyX9v1xWrw
entries: Array

Información TXT
host: smartbrief.com
class: IN
ttl: 300
type: TXT
txt: facebook-domain-verification=yf9mnkugbque78djh484z44mkmzdab
entries: Array

Información TXT
host: smartbrief.com
class: IN
ttl: 300
type: TXT
txt: c4q83n1ci10sm4575gtpr7ntp3
entries: Array

Información TXT
host: smartbrief.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=xH1kY6rhcpWahVe41k9Ga6VuHrOr9-l68oDxF-bwr7A
entries: Array