Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@duet3d.com; adkim=r;

Registro IPv4
host: duet3d.com
class: IN
ttl: 14400
type: A
ip: 198.185.159.145

Servidores DNS Principal (mname) y Secundario (rname)
host: duet3d.com
class: IN
ttl: 300
type: SOA
mname: ns-cloud-a1.googledomains.com
rname: cloud-dns-hostmaster.google.com
serial: 36
refresh: 21600
retry: 3600
expire: 259200
minimum-ttl: 300

Servidor de Correo
host: duet3d.com
class: IN
ttl: 14400
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: duet3d.com
class: IN
ttl: 14400
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: duet3d.com
class: IN
ttl: 14400
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: duet3d.com
class: IN
ttl: 14400
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: duet3d.com
class: IN
ttl: 14400
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Información TXT
host: duet3d.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:35.214.99.101 +ip4:46.101.63.223  +include:_spf.mailspamprotection.com include:_spf.google.com ~all
entries: Array

Información TXT
host: duet3d.com
class: IN
ttl: 14400
type: TXT
txt: google-site-verification=Zfe3Y74-Ku3LHGlMNti8g4Ql5ZSlkxw7oC5sH8hfIdw
entries: Array