Registro DMARC
v=DMARC1;p=none;pct=100;rua=mailto:noreply@mail.mtbr.com

Registro IPv4
host: mtbr.com
class: IN
ttl: 300
type: A
ip: 151.101.65.91

Registro IPv4
host: mtbr.com
class: IN
ttl: 300
type: A
ip: 151.101.129.91

Registro IPv4
host: mtbr.com
class: IN
ttl: 300
type: A
ip: 151.101.193.91

Registro IPv4
host: mtbr.com
class: IN
ttl: 300
type: A
ip: 151.101.1.91

Servidores DNS Principal (mname) y Secundario (rname)
host: mtbr.com
class: IN
ttl: 21600
type: SOA
mname: ns-cloud-c1.googledomains.com
rname: cloud-dns-hostmaster.google.com
serial: 4
refresh: 21600
retry: 3600
expire: 259200
minimum-ttl: 300

Servidor de Correo
host: mtbr.com
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: mtbr.com
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: mtbr.com
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx2.googlemail.com

Servidor de Correo
host: mtbr.com
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx3.googlemail.com

Servidor de Correo
host: mtbr.com
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Información TXT
host: mtbr.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.google.com include:sendgrid.net ~all
entries: Array

Información TXT
host: mtbr.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=jnLgpgOHePxDK16024_-Lzvwzh2yS0g2a01QRrgX0aA
entries: Array