Servidores DNS Principal (mname) y Secundario (rname)
host: afp4.com
class: IN
ttl: 1800
type: SOA
mname: david.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2364501055
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: afp4.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx2.forwardemail.net

Servidor de Correo
host: afp4.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxext1.mailbox.org

Servidor de Correo
host: afp4.com
class: IN
ttl: 300
type: MX
pri: 20
target: mxext2.mailbox.org

Servidor de Correo
host: afp4.com
class: IN
ttl: 300
type: MX
pri: 30
target: mxext3.mailbox.org

Servidor de Correo
host: afp4.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx1.forwardemail.net

Información TXT
host: afp4.com
class: IN
ttl: 300
type: TXT
txt: forward-email=trinhtrannhu71@gmail.com
entries: Array

Información TXT
host: afp4.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx include:spf.forwardemail.net -all
entries: Array