Registro IPv4
host: costhack.com
class: IN
ttl: 300
type: A
ip: 199.16.172.174

Registro IPv4
host: costhack.com
class: IN
ttl: 300
type: A
ip: 199.16.173.227

Servidores DNS Principal (mname) y Secundario (rname)
host: costhack.com
class: IN
ttl: 900
type: SOA
mname: ns-1214.awsdns-23.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: costhack.com
class: IN
ttl: 300
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: costhack.com
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: costhack.com
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: costhack.com
class: IN
ttl: 300
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: costhack.com
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com