Estudio de Entregabilidad y DNS de Email (SPF, DKIM, DMARC)

Genera y valida registros TXT DNS de DMARC, SPF y DKIM con recuento de consultas RFC 7208 y cumplimiento para remitentes masivos

Plantillas de Autenticación

Carga configuraciones recomendadas de infraestructura de correo

Dominio y Políticas de Seguridad

Configura parámetros de registros DMARC, SPF y DKIM

Dominio Remitente:

Configuración de DMARC

Política DMARC (p=):

Email de Informes Agregados (rua=):

Configuración de SPF

2 / 10 DNS Lookups

Includes de SPF (RFC 7208) (comma-separated):

Cualificador de Mecanismo All:

include mx

Configuración de DKIM

Selector DKIM:

Clave Pública (base64):

Cumplimiento de Remitentes Masivos (Google y Yahoo)

Conforme

•DMARC policy "quarantine" enforces strong sender protection.

•SPF DNS lookups within limits (2/10 allowed).

•DKIM public key is configured.

DMARC Record (_dmarc.mycompany.io)

v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@mycompany.io

SPF Record (mycompany.io)

v=spf1 include:_spf.google.com include:resend.com ~all

DKIM Record (resend._domainkey.mycompany.io)

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3QVRnpxWwK...sample_key

# Cloudflare / Route 53 DNS TXT Records
Type: TXT | Name: _dmarc | Content: v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@mycompany.io
Type: TXT | Name: @      | Content: v=spf1 include:_spf.google.com include:resend.com ~all
Type: TXT | Name: resend._domainkey | Content: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3QVRnpxWwK...sample_key

; DNS Zone file for mycompany.io
_dmarc.mycompany.io.   IN  TXT "v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@mycompany.io"
mycompany.io.          IN  TXT "v=spf1 include:_spf.google.com include:resend.com ~all"
resend._domainkey.mycompany.io. IN TXT "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3QVRnpxWwK...sample_key"

# Cloudflare / Route 53 DNS TXT Records Type: TXT | Name: _dmarc | Content: v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@mycompany.io Type: TXT | Name: @ | Content: v=spf1 include:_spf.google.com include:resend.com ~all Type: TXT | Name: resend._domainkey | Content: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3QVRnpxWwK...sample_key

; DNS Zone file for mycompany.io _dmarc.mycompany.io. IN TXT "v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@mycompany.io" mycompany.io. IN TXT "v=spf1 include:_spf.google.com include:resend.com ~all" resend._domainkey.mycompany.io. IN TXT "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3QVRnpxWwK...sample_key"