Registro IPv4
host: ctower.de
class: IN
ttl: 600
type: A
ip: 89.31.143.90

Servidores DNS Principal (mname) y Secundario (rname)
host: ctower.de
class: IN
ttl: 21600
type: SOA
mname: ns.udag.de
rname: hostmaster.united-domains.de
serial: 2023120400
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600