Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: sistectelecom.com
class: IN
ttl: 943
type: A
ip: 31.211.189.36

Servidores DNS Principal (mname) y Secundario (rname)
host: sistectelecom.com
class: IN
ttl: 13812
type: SOA
mname: ns1125.ui-dns.de
rname: hostmaster.1and1.es
serial: 2016110493
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: sistectelecom.com
class: IN
ttl: 943
type: MX
pri: 10
target: mx01.ionos.es

Servidor de Correo
host: sistectelecom.com
class: IN
ttl: 943
type: MX
pri: 10
target: mx00.ionos.es

Información TXT
host: sistectelecom.com
class: IN
ttl: 943
type: TXT
txt: v=spf1 include:_spf-eu.ionos.com ~all
entries: Array