Registro IPv4
host: Cctvddns.net
class: IN
ttl: 300
type: A
ip: 63.33.11.57

Servidores DNS Principal (mname) y Secundario (rname)
host: Cctvddns.net
class: IN
ttl: 21600
type: SOA
mname: ns-cloud-a1.googledomains.com
rname: cloud-dns-hostmaster.google.com
serial: 1
refresh: 21600
retry: 3600
expire: 259200
minimum-ttl: 300