Registro DMARC
v=DMARC1;p=quarantine

Registro IPv4
host: checkpoint-elearning.de
class: IN
ttl: 3600
type: A
ip: 82.165.160.59

Servidores DNS Principal (mname) y Secundario (rname)
host: checkpoint-elearning.de
class: IN
ttl: 21600
type: SOA
mname: ns1053.ui-dns.com
rname: hostmaster.1und1.de
serial: 2015091629
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: checkpoint-elearning.de
class: IN
ttl: 3600
type: MX
pri: 10
target: mx01.ionos.de

Servidor de Correo
host: checkpoint-elearning.de
class: IN
ttl: 3600
type: MX
pri: 10
target: mx00.ionos.de

Información TXT
host: checkpoint-elearning.de
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a ip4:82.165.160.59 include:_spf-eu.ionos.com ~all
entries: Array