Registro DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r; pct=20; rua=mailto:rua_2367e51b5adc44b0@eu.report.letsdmarc.com

Servidores DNS Principal (mname) y Secundario (rname)
host: sintesigroup.com
class: IN
ttl: 300
type: SOA
mname: dns2.widhost.net
rname: postmaster.sintesigroup.com
serial: 2026072201
refresh: 3600
retry: 900
expire: 1209600
minimum-ttl: 38400

Servidor de Correo
host: sintesigroup.com
class: IN
ttl: 300
type: MX
pri: 5
target: vertigo.esvacloud.com

Información TXT
host: sintesigroup.com
class: IN
ttl: 250
type: TXT
txt: v=spf1 mx include:spf.protection.outlook.com include:spf.meadinformatica.it a:smtpauth.vertigoconsulting.it include:mailgun.org ip4:213.217.29.146/32 ~all
entries: Array