Registro IPv4
host: pbguide.com
class: IN
ttl: 3600
type: A
ip: 45.87.158.7

Servidores DNS Principal (mname) y Secundario (rname)
host: pbguide.com
class: IN
ttl: 21600
type: SOA
mname: ns.inwx.de
rname: hostmaster.inwx.de
serial: 2019110803
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600