Registro IPv4
host: volleyball-bayern.de
class: IN
ttl: 300
type: A
ip: 185.237.66.21

Servidores DNS Principal (mname) y Secundario (rname)
host: volleyball-bayern.de
class: IN
ttl: 300
type: SOA
mname: hydrogen.ns.hetzner.com
rname: dns.hetzner.com
serial: 2020111605
refresh: 86400
retry: 10800
expire: 3600000
minimum-ttl: 3600