Registro IPv4
host: letsgofamily.com.br
class: IN
ttl: 3600
type: A
ip: 76.76.21.21

Servidores DNS Principal (mname) y Secundario (rname)
host: letsgofamily.com.br
class: IN
ttl: 900
type: SOA
mname: a.sec.dns.br
rname: hostmaster.registro.br
serial: 2026116000
refresh: 86400
retry: 900
expire: 604800
minimum-ttl: 900