Registro DMARC
v=DMARC1; p=reject; rua=mailto:noreply-dmarc@unionprogreso.com.mx; ruf=mailto:noreply-dmarc@unionprogreso.com.mx; sp=reject; fo=1; pct=100

Servidores DNS Principal (mname) y Secundario (rname)
host: unionprogreso.com.mx
class: IN
ttl: 1800
type: SOA
mname: alexis.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2374934122
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: unionprogreso.com.mx
class: IN
ttl: 90
type: MX
pri: 0
target: unionprogreso-com-mx.mail.protection.outlook.com

Información TXT
host: unionprogreso.com.mx
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array