Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@mtr.com.hk; ruf=mailto:dmarc@mtr.com.hk;fo=1;pct=100

Registro IPv4
host: mtracademy.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: mtracademy.com
class: IN
ttl: 7200
type: SOA
mname: NS1.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 125061908
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: mtracademy.com
class: IN
ttl: 900
type: MX
pri: 10
target: smtp.mtr.com.hk

Servidor de Correo
host: mtracademy.com
class: IN
ttl: 900
type: MX
pri: 20
target: postfix.reasonables2.com

Información TXT
host: mtracademy.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx include:rspread.net ~all
entries: Array

Información TXT
host: mtracademy.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms65394670
entries: Array