Registro IPv4
host: systrada.com
class: IN
ttl: 13640
type: A
ip: 173.212.199.138

Servidores DNS Principal (mname) y Secundario (rname)
host: systrada.com
class: IN
ttl: 13640
type: SOA
mname: ns1.contabo.net
rname: hostmaster.contabo.com
serial: 2024121002
refresh: 3600
retry: 7200
expire: 2419200
minimum-ttl: 10800

Servidor de Correo
host: systrada.com
class: IN
ttl: 13640
type: MX
pri: 10
target: mail.systrada.com