Registro IPv4
host: frag-den-doc.de
class: IN
ttl: 180
type: A
ip: 176.9.175.237

Servidores DNS Principal (mname) y Secundario (rname)
host: frag-den-doc.de
class: IN
ttl: 180
type: SOA
mname: dns1-pmr1.3claws.de
rname: hostmaster.3claws.network
serial: 2020102601
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 180

Servidor de Correo
host: frag-den-doc.de
class: IN
ttl: 180
type: MX
pri: 10
target: mx1.thinklabs-cluster.de