Registro IPv4
host: a.cz
class: IN
ttl: 300
type: A
ip: 185.59.2.14

Servidores DNS Principal (mname) y Secundario (rname)
host: a.cz
class: IN
ttl: 7200
type: SOA
mname: ns.zasobovani.cz
rname: repasek.zasobovani.cz
serial: 2016033104
refresh: 43200
retry: 6300
expire: 1209600
minimum-ttl: 172800