Registro DMARC
v=DMARC1; p=reject

Servidores DNS Principal (mname) y Secundario (rname)
host: wurthgroup.org
class: IN
ttl: 241
type: SOA
mname: ns2.xc-ns.de
rname: tech.domainexperten.de
serial: 2024082300
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 172800

Servidor de Correo
host: wurthgroup.org
class: IN
ttl: 242
type: MX
pri: 0
target: 

Información TXT
host: wurthgroup.org
class: IN
ttl: 242
type: TXT
txt: v=spf1 -all
entries: Array