Registro DMARC
v=DMARC1;p=reject;pct=100

Registro IPv4
host: stei.cat
class: IN
ttl: 3600
type: A
ip: 217.160.0.213

Servidores DNS Principal (mname) y Secundario (rname)
host: stei.cat
class: IN
ttl: 86400
type: SOA
mname: ns-es.1and1-dns.es
rname: hostmaster.1and1.com
serial: 2017013117
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: stei.cat
class: IN
ttl: 3600
type: MX
pri: 11
target: mx01.1and1.es

Servidor de Correo
host: stei.cat
class: IN
ttl: 3600
type: MX
pri: 10
target: mx00.1and1.es

Información TXT
host: stei.cat
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de ~all
entries: Array