Registro DMARC
v=DMARC1; p=quarantine;

Registro IPv4
host: smart-mail.de
class: IN
ttl: 69979
type: A
ip: 217.69.254.100

Servidores DNS Principal (mname) y Secundario (rname)
host: smart-mail.de
class: IN
ttl: 82582
type: SOA
mname: ns1.domainknecht.de
rname: root.ns1.domainknecht.de
serial: 1789734637
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: smart-mail.de
class: IN
ttl: 82582
type: MX
pri: 10
target: mail.smart-mail.de

Información TXT
host: smart-mail.de
class: IN
ttl: 82582
type: TXT
txt: v=spf1 mx -all
entries: Array