MailTested Email Report: mxg8b62e

Informe de entregabilidad — MailTested.com

Auth: 6 DNS: 10.0 Spam: -3.6

ID: mxg8b62e From: <sales@protectedname>

Envelope: sales@protectedname

Your email score is 7.0/10

🟠 No bueno. Problemas de autenticación o DNS. Corrige SPF, DKIM o PTR.

7.0/10

Puntuación general

Status: DONE

Puntuaciones por componente

Autenticación

6/10

SPF & DKIM validation

DNS Hygiene

10.0/10

PTR & Blacklists

Riesgo de spam

-3.6

SpamAssassin analysis

Cadena de entregabilidad

rDNS

DNS inverso (rDNS)

A Record

Hostname Resolution

SPF

Sender Policy

DKIM

Email Signature

DMARC

Policy Framework

Blacklist

IP & Domain Rep

Autenticación

Validación SPF

Verificación del Sender Policy Framework

PASS sender SPF authorized

✅ SPF aprobado. La IP de envío está autorizada para enviar correos para este dominio.
SPF confirms that the sending IP 172.236.31.20 is authorized to send mail for protectedname, based on the envelope sender domain (Return-Path).
This means the domain listed in your Return-Path explicitly allows this mail server to send on its behalf.

Dominio SPF verificado: protectedname

Dominio remitente: protectedname

Ver detalles técnicos

Current TXT (local)	`v=spf1 +a +mx +ip4:151.236.221.112 +ip4:172.236.31.20 ~all`
SPF TXT (public)	`v=spf1 +a +mx +ip4:151.236.221.112 +ip4:172.236.31.20 ~all`
Redirect Tree

Validación DKIM

Firma DomainKeys Identified Mail

FAIL d=None, s=None

❌ Tu firma DKIM no es válida.
This usually means the public key for selector None on domain None could not be found or didn't match.

Show Diagnostic

⚠️ DKIM Diagnostic:

We were not able to retrieve or verify your public key.

💡 Suggestion: Verify that None._domainkey.None has a correct v=DKIM1; k=rsa; p=... record.

Ver detalles técnicos

DKIM Signature
Public Key TXT	No public key found

Política DMARC

Autenticación y reporte de mensajes basado en dominio

Policy: none

⚠️ Tu política DMARC está configurada como "none". Los servidores solo monitorean — no rechazan correos falsificados.
This means mail servers will only monitor reports — not reject spoofed emails.
Consider upgrading your policy to p=quarantine or p=reject once SPF and DKIM are properly configured.

Ver detalles técnicos

Alignment	SPF: Pass • DKIM: Fail
Mode	adkim=relaxed / aspf=relaxed
DMARC TXT	v=DMARC1; p=none
DMARC Raw	v=DMARC1; p=none

Consistencia de cabeceras

Verificación de alineación de cabeceras de correo

FAIL From vs DKIM: Mismatch, Return-Path: Missing

❌ Misalignment detected: "From" domain doesn't match DKIM or Return-Path.

Notes: Return-Path missing; DKIM signature missing

Ver detalles técnicos

From Domain	protectedname
DKIM Domain	N/A
Return-Path Domain	Missing

Comprobaciones DNS Hostname & MX

DNS inverso (rDNS)

Asociación IP → Nombre de host

PASS 172.236.31.20 → srv12.protectedname

✅ El DNS inverso está correctamente configurado. La IP se resuelve a un nombre de host válido que coincide con HELO.
The IP address resolves to a valid hostname and matches the HELO value used by your server.

Ver detalles técnicos

IP	`172.236.31.20`
HELO	`srv12.protectedname`
rDNS	`srv12.protectedname`
Coincidencia directa	Yes
Coincide con HELO	Yes

Verificación de registros MX

Validación del registro de intercambio de correo

PASS protectedname

✅ Domain has active MX records.
Your domain correctly points to a mail server that can receive messages.

Ver detalles técnicos

Domain	`protectedname`
MX Records	`0 srv12.protectedname.`

A Record Check

Hostname resolution verification

PASS srv12.protectedname

✅ Hostname resolves correctly.
The sending hostname is bound to a valid IP address and reachable.

Ver detalles técnicos

Hostname	`srv12.protectedname`
A Records	`172.236.31.20`

Lista negra

IP Blacklist Check

Reputation of sending IP address

✅ CLEAN

CLEAN 172.236.31.20 → srv12.protectedname

Checked: 23 lists

✅ Your IP is clean. No blacklisting detected across 23 major DNSBL databases.

Blacklist Zone	Status
`Spamhaus SBL`	Clean
`Spamhaus CSS`	Clean
`Spamhaus XBL`	Clean
`Spamhaus PBL`	Clean
`Barracuda`	Clean
`Hostkarma`	Clean
`IMP-SPAM`	Clean
`BACKSCATTERER`	Clean

Blacklist Zone	Status
`⚠️ China Anti-Spam Alliance: The resolution lifetime expired after 5.403 seconds: Server Do53:127.0.0.53@53 answered The DNS operation timed out.; Server Do53:127.0.0.53@53 answered The DNS operation timed out.; Server Do53:127.0.0.53@53 answered The DNS operation timed out.`	Timeout
`LashBack`	Clean
`Mailspike`	Clean
`REDHAWK`	Clean
`SORBS (Relay)`	Clean
`SORBS (last 48h)`	Clean
`SORBS (last 28d)`	Clean
`SPAMCOP`	Clean

Blacklist Zone	Status
`SEM-BACKSCATTER`	Clean
`SEM-BLACK`	Clean
`RATS-ALL`	Clean
`PSBL`	Clean
`SWINOG`	Clean
`GBUdb Truncate`	Clean
`Weighted Private Block List`	Clean

Domain Blacklist Check

Reputation of sender domain

✅ CLEAN

CLEAN protectedname

Checked: 3 lists

✅ Your domain is clean.
No blacklisting detected across 3 major domain-based reputation lists.

Ver detalles técnicos

Blacklist Zone	Status
`dbl.spamhaus.org`	Clean
`multi.surbl.org`	Clean
`uribl.com`	Clean

Contenido del correo

Verificación SpamAssassin

Puntuación del filtro de spam y análisis de reglas

PASS Score: -3.6 / 5.0

✅ SpamAssassin te da el visto bueno. Score -3.6 / 5.0 (PASS).

Score	Rule	Description
-0.0	`SPF_HELO_PASS`	SPF: HELO matches SPF record
0.1	`MIME_HTML_MOSTLY`	BODY: Multipart message mostly text/html MIME
0.0	`HTML_MESSAGE`	BODY: HTML included in message
1.3	`RCVD_IN_VALIDITY_RPBL`	RBL: Relay in Validity RPBL,
-2.0	`RCVD_IN_VALIDITY_SAFE`	RBL: Sender in Validity Safe - Contact

Score	Rule	Description
0.0	`URIBL_BLOCKED`	ADMINISTRATOR NOTICE: The query to URIBL was blocked.
-0.0	`DMARC_PASS`	DMARC pass policy
-3.0	`RCVD_IN_VALIDITY_CERTIFIED`	RBL: Sender in Validity Certification -
0.0	`T_REMOTE_IMAGE`	Message contains an external image

Estructura del contenido & señales

Formato del cuerpo, proporción texto/HTML e indicadores de contenido incrustado

Tiene texto	yes
Tiene HTML	yes
Proporción de texto	0.5%
Subject	`[Ticket ID: 202266] test-mxg8b62e@srv.mailtested.com`

Enlaces externos	6
Link domains	`client.protectedname`, `www.w3.org`
HTML href/src counts	href: 3 • src: 1
Falta la parte de texto sin formato	no
Subject flags	ALL_CAPS: no • Emoji: no

Mostrar cuerpo de texto

test-mxg8b62e@srv.mailtested.com

Mostrar cuerpo HTML

Diagnósticos técnicos

Envelope From	`sales@protectedname`
Recipient	`"test-mxg8b62e@srv.mailtested.com" <test-mxg8b62e@srv.mailtested.com>`
Peer IP	`172.236.31.20`
HELO	`srv12.protectedname`
rDNS	`srv12.protectedname`
Date	`Wed, 29 Oct 2025 04:10:27 +0000`