Registro IPv4
host: krbykroupa.cz
class: IN
ttl: 3600
type: A
ip: 37.9.175.212

Servidores DNS Principal (mname) y Secundario (rname)
host: krbykroupa.cz
class: IN
ttl: 1800
type: SOA
mname: alfa.ns.active24.cz
rname: hostmaster.active24.cz
serial: 2026051102
refresh: 10800
retry: 1800
expire: 1209600
minimum-ttl: 3600