Registro DMARC
v=DMARC1;p=quarantine;pct=100;rua=mailto:report@dmarc.amazon.com;ruf=mailto:report@dmarc.amazon.com

Registro IPv4
host: alexa.com
class: IN
ttl: 90
type: A
ip: 18.172.213.18

Registro IPv4
host: alexa.com
class: IN
ttl: 90
type: A
ip: 18.172.213.126

Registro IPv4
host: alexa.com
class: IN
ttl: 90
type: A
ip: 18.172.213.71

Registro IPv4
host: alexa.com
class: IN
ttl: 90
type: A
ip: 18.172.213.44

Servidores DNS Principal (mname) y Secundario (rname)
host: alexa.com
class: IN
ttl: 300
type: SOA
mname: ns-1324.awsdns-37.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: alexa.com
class: IN
ttl: 1223
type: MX
pri: 10
target: amazon-smtp.amazon.com

Información TXT
host: alexa.com
class: IN
ttl: 3600
type: TXT
txt: 8543c5de-41bb-48ca-900f-2f1bcb970a3d
entries: Array