Registro IPv4
host: yrl.cz
class: IN
ttl: 1800
type: A
ip: 52.72.49.79

Servidores DNS Principal (mname) y Secundario (rname)
host: yrl.cz
class: IN
ttl: 3600
type: SOA
mname: ns.wedos.net
rname: wedos.wedos.com
serial: 2024111202
refresh: 3600
retry: 1800
expire: 1814400
minimum-ttl: 3600