Registro DMARC
v=DMARC1; p=none; aspf=r;

Registro IPv4
host: bertsch-pruefinstitut.de
class: IN
ttl: 21600
type: A
ip: 157.90.208.34

Servidores DNS Principal (mname) y Secundario (rname)
host: bertsch-pruefinstitut.de
class: IN
ttl: 21600
type: SOA
mname: a.ns14.net
rname: do-not-reply.bertsch-pruefinstitut.de
serial: 2025050701
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: bertsch-pruefinstitut.de
class: IN
ttl: 21600
type: MX
pri: 10
target: h818mail.nshosting.biz

Información TXT
host: bertsch-pruefinstitut.de
class: IN
ttl: 21600
type: TXT
txt: v=spf1 a mx include:outbound.mailhop.org include:mailgun.org ~all
entries: Array