Registro IPv4
host: strom.org
class: IN
ttl: 3600
type: A
ip: 123.123.123.123

Servidores DNS Principal (mname) y Secundario (rname)
host: strom.org
class: IN
ttl: 86400
type: SOA
mname: ns.inwx.de
rname: hostmaster.inwx.de
serial: 2018052201
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600