Registro DMARC
v=DMARC1; p=none; rua=mailto:7f4b1883@mxtoolbox.dmarc-report.com; ruf=mailto:7f4b1883@forensics.dmarc-report.com

Registro IPv4
host: cuuam.gosu.vn
class: IN
ttl: 360
type: A
ip: 103.9.204.241

Servidor de Correo
host: cuuam.gosu.vn
class: IN
ttl: 360
type: MX
pri: 10
target: mxb.mailgun.org

Servidor de Correo
host: cuuam.gosu.vn
class: IN
ttl: 360
type: MX
pri: 10
target: mxa.mailgun.org

Información TXT
host: cuuam.gosu.vn
class: IN
ttl: 360
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array