Registro IPv4
host: sysreqlab.com
class: IN
ttl: 600
type: A
ip: 66.220.23.67

Servidores DNS Principal (mname) y Secundario (rname)
host: sysreqlab.com
class: IN
ttl: 2560
type: SOA
mname: ns1.tinyurl.com
rname: hostmaster.tinyurl.com
serial: 1644441937
refresh: 14400
retry: 2048
expire: 604800
minimum-ttl: 2560

Servidor de Correo
host: sysreqlab.com
class: IN
ttl: 21600
type: MX
pri: 10
target: smtp.tinyurl.com