Registro IPv4
host: newposeidon.com
class: IN
ttl: 21600
type: A
ip: 47.21.142.51

Servidores DNS Principal (mname) y Secundario (rname)
host: newposeidon.com
class: IN
ttl: 21600
type: SOA
mname: newposeidon.com
rname: hostmaster.newposeidon.com
serial: 2025070601
refresh: 10800
retry: 3600
expire: 720000
minimum-ttl: 86400

Servidor de Correo
host: newposeidon.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.yourdatacenter.com