Registro IPv4
host: nic.cuba.cu
class: IN
ttl: 3600
type: A
ip: 107.161.72.165

host: cubanic.cu
class: IN
ttl: 3599
type: CNAME
target: nic.cuba.cu

Servidores DNS Principal (mname) y Secundario (rname)
host: nic.cuba.cu
class: IN
ttl: 3600
type: SOA
mname: dd.ceniai.inf.cu
rname: root.dd.ceniai.inf.cu
serial: 2024102802
refresh: 3600
retry: 900
expire: 3600000
minimum-ttl: 3600