Registro IPv4
host: cubaminrex.cu
class: IN
ttl: 3600
type: A
ip: 81.255.146.51

Servidores DNS Principal (mname) y Secundario (rname)
host: cubaminrex.cu
class: IN
ttl: 604800
type: SOA
mname: ns.minrex.gob.cu
rname: hostmaster
serial: 322
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600