Registro DMARC
v=DMARC1; p=none; pct=100; rua=mailto:dmarc-reports@um.edu.mx; adkim=r; aspf=r

Servidores DNS Principal (mname) y Secundario (rname)
host: um.edu.mx
class: IN
ttl: 300
type: SOA
mname: castor.um.edu.mx
rname: root.castor.um.edu.mx
serial: 1561571796
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: ALT3.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: ASPMX2.GOOGLEMAIL.COM

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 5
target: ALT2.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: ALT1.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: ASPMX4.GOOGLEMAIL.COM

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 5
target: SMTP.GOOGLE.COM

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: ASPMX3.GOOGLEMAIL.COM

Servidor de Correo
host: um.edu.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: ALT4.ASPMX.L.GOOGLE.COM

Información TXT
host: um.edu.mx
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:50422952.spf08.hubspotemail.net include:_spf.google.com -all
entries: Array