Registro IPv4
host: free-dc.org
class: IN
ttl: 300
type: A
ip: 68.89.69.138

Servidores DNS Principal (mname) y Secundario (rname)
host: free-dc.org
class: IN
ttl: 1800
type: SOA
mname: dan.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2339404742
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: free-dc.org
class: IN
ttl: 300
type: MX
pri: 5
target: aspmx.l.google.com