Registro IPv4
host: opendir.cz
class: IN
ttl: 3600
type: A
ip: 91.239.200.61

Servidores DNS Principal (mname) y Secundario (rname)
host: opendir.cz
class: IN
ttl: 1800
type: SOA
mname: ns1.thinline.cz
rname: hostmaster.opendir.cz
serial: 1533053847
refresh: 86400
retry: 300
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: opendir.cz
class: IN
ttl: 3600
type: AAAA
ipv6: 2001:67c:e94::1:5bef:c83d:1