Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@grupo-ctl.com; fo=1

Registro IPv4
host: grupo-ctl.com
class: IN
ttl: 1807
type: A
ip: 74.208.236.196

Servidores DNS Principal (mname) y Secundario (rname)
host: grupo-ctl.com
class: IN
ttl: 21600
type: SOA
mname: ns1054.ui-dns.de
rname: hostmaster.1and1.com
serial: 2018020352
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: grupo-ctl.com
class: IN
ttl: 1807
type: MX
pri: 10
target: mx01.ionos.com

Servidor de Correo
host: grupo-ctl.com
class: IN
ttl: 1807
type: MX
pri: 10
target: mx00.ionos.com

Información TXT
host: grupo-ctl.com
class: IN
ttl: 1807
type: TXT
txt: mSVr5DqtW7bFtl53KzuiK3YufBYCAWcEJLMt1MP5B7E=
entries: Array

Información TXT
host: grupo-ctl.com
class: IN
ttl: 1807
type: TXT
txt: v=spf1 include:_spf-us.ionos.com -all
entries: Array

Registro IPv6
host: grupo-ctl.com
class: IN
ttl: 1807
type: AAAA
ipv6: 2607:f1c0:100f:f000::211