Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@grupocubas.com; ruf=mailto:dmarc@grupocubas.com; sp=quarantine

Registro IPv4
host: grupocubas.com
class: IN
ttl: 300
type: A
ip: 104.21.82.200

Registro IPv4
host: grupocubas.com
class: IN
ttl: 300
type: A
ip: 172.67.162.217

Servidores DNS Principal (mname) y Secundario (rname)
host: grupocubas.com
class: IN
ttl: 1800
type: SOA
mname: josh.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2352646590
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: grupocubas.com
class: IN
ttl: 300
type: MX
pri: 1
target: mail.cubaselectrica.com

Información TXT
host: grupocubas.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 +mx +a include:mail.cubaselectrica.com ~all
entries: Array

Registro IPv6
host: grupocubas.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3033::ac43:a2d9

Registro IPv6
host: grupocubas.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3034::6815:52c8