Registro IPv4
host: caslavsko.net
class: IN
ttl: 86400
type: A
ip: 31.31.77.23

Servidores DNS Principal (mname) y Secundario (rname)
host: caslavsko.net
class: IN
ttl: 1800
type: SOA
mname: ns1.websupport.cz
rname: admin.websupport.cz
serial: 1749915132
refresh: 7200
retry: 2048
expire: 1048576
minimum-ttl: 2560