Registro IPv4
host: holdstudent.com
class: IN
ttl: 3600
type: A
ip: 23.236.62.147

Servidores DNS Principal (mname) y Secundario (rname)
host: holdstudent.com
class: IN
ttl: 900
type: SOA
mname: ns-600.awsdns-11.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: holdstudent.com
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: holdstudent.com
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: holdstudent.com
class: IN
ttl: 3600
type: MX
pri: 10
target: aspmx3.googlemail.com

Servidor de Correo
host: holdstudent.com
class: IN
ttl: 3600
type: MX
pri: 10
target: aspmx2.googlemail.com

Servidor de Correo
host: holdstudent.com
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com