Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: asta-siegen.de
class: IN
ttl: 21600
type: A
ip: 141.99.161.253

Servidores DNS Principal (mname) y Secundario (rname)
host: asta-siegen.de
class: IN
ttl: 21600
type: SOA
mname: ns1.axcoredns.com
rname: webmaster.asta-siegen.de
serial: 2026021802
refresh: 86400
retry: 10800
expire: 2592000
minimum-ttl: 900

Servidor de Correo
host: asta-siegen.de
class: IN
ttl: 21600
type: MX
pri: 100
target: mx1.securemail.name

Servidor de Correo
host: asta-siegen.de
class: IN
ttl: 21600
type: MX
pri: 100
target: mx2.securemail.name

Información TXT
host: asta-siegen.de
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.securemail.name a mx ~all
entries: