Registro IPv4
host: johnlab.org
class: IN
ttl: 300
type: A
ip: 104.219.54.228

Servidores DNS Principal (mname) y Secundario (rname)
host: johnlab.org
class: IN
ttl: 1800
type: SOA
mname: ali.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2360949221
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: johnlab.org
class: IN
ttl: 300
type: MX
pri: 10
target: mx0.johnlab.org

Servidor de Correo
host: johnlab.org
class: IN
ttl: 300
type: MX
pri: 20
target: mx1.johnlab.org