Registro IPv4
host: sindbadtech.com
class: IN
ttl: 900
type: A
ip: 18.142.181.174

Servidores DNS Principal (mname) y Secundario (rname)
host: sindbadtech.com
class: IN
ttl: 600
type: SOA
mname: dns.4cun.com
rname: admin.sindbadtech.com
serial: 1721703677
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 600

Servidor de Correo
host: sindbadtech.com
class: IN
ttl: 900
type: MX
pri: 10
target: mx.mail.ym.163.com