Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: lumilec.es
class: IN
ttl: 31713
type: SOA
mname: ns1025.ui-dns.org
rname: hostmaster.1and1.com
serial: 2018012613
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: lumilec.es
class: IN
ttl: 3051
type: MX
pri: 10
target: mx01.ionos.es

Servidor de Correo
host: lumilec.es
class: IN
ttl: 3051
type: MX
pri: 10
target: mx00.ionos.es

Información TXT
host: lumilec.es
class: IN
ttl: 3059
type: TXT
txt: v=spf1 include:_spf-eu.ionos.com ~all
entries: v=spf1 include:_spf-eu.ionos.com ~all