Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email,mailto:reports@dmarc.cyber.dhs.gov

Servidores DNS Principal (mname) y Secundario (rname)
host: darwinrx.com
class: IN
ttl: 1800
type: SOA
mname: arch.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2341169184
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: darwinrx.com
class: IN
ttl: 300
type: MX
pri: 0
target: darwinrx-com.mail.protection.outlook.com

Información TXT
host: darwinrx.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~all
entries: Array