Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc-reports@gbv.de; adkim=r; aspf=r

Registro IPv4
host: gbv.de
class: IN
ttl: 37701
type: A
ip: 193.174.240.199

Servidores DNS Principal (mname) y Secundario (rname)
host: gbv.de
class: IN
ttl: 78333
type: SOA
mname: inets1.gbv.de
rname: hostmaster.gbv.de
serial: 2021094536
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: gbv.de
class: IN
ttl: 90
type: MX
pri: 50
target: c1234.mx.srv.dfn.de

Servidor de Correo
host: gbv.de
class: IN
ttl: 90
type: MX
pri: 50
target: b1234.mx.srv.dfn.de

Servidor de Correo
host: gbv.de
class: IN
ttl: 90
type: MX
pri: 10
target: a1234.mx.srv.dfn.de

Información TXT
host: gbv.de
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:193.174.240.41 ip4:193.174.240.42 ip4:193.174.240.101 include:spf.gwdg.de ~all
entries: Array

Información TXT
host: gbv.de
class: IN
ttl: 300
type: TXT
txt: OSSRH-73866
entries: Array