--- title: "Herramientas gratuitas de seguridad de correo | AutoSPF" description: "Herramientas gratuitas de consulta DNS para la autenticación de correo. Compruebe registros SPF, valide políticas DMARC, consulte claves DKIM, pruebe BIMI, MTA-STS y TLS-RPT, todo en un solo lugar." image: "https://autospf.com/images/og-default.png" canonical: "https://autospf.com/es/tools/" --- 100 % gratuitas - Sin cuenta requerida # Herramientas gratuitas de seguridad de correo Compruebe los registros SPF, DMARC, DKIM, BIMI, MTA-STS y TLS-RPT de cualquier dominio. Resultados instantáneos, sin registro. [ Más popular Verificador de registros SPF Analice su registro SPF, cuente las consultas DNS y visualice el árbol completo de includes. Vea si supera el límite de 10 consultas. Usar herramienta ](/es/tools/spf-checker/)[ Nuevo Verificador de autenticación de dominio Compruebe los 5 protocolos de autenticación de correo a la vez: SPF, DMARC, BIMI, MTA-STS y TLS-RPT. Obtenga una puntuación de salud global. Usar herramienta ](/es/tools/domain-auth-checker/)[ Verificador de registros DMARC Valide su política DMARC, compruebe los ajustes de alineación y vea si los informes agregados están configurados correctamente. Usar herramienta ](/es/tools/dmarc-checker/)[ Nuevo Analizador de Informes DMARC Suelte un informe agregado de DMARC (XML o .gz) y vea al instante los remitentes, las tasas de aprobación, la alineación y los detalles por registro. Procesado en su navegador. Usar herramienta ](/es/tools/dmarc-report-analyzer/)[ Consulta de registros DKIM Descubra automáticamente registros DKIM en más de 50 selectores. Identifique SendGrid, Google Workspace, Microsoft 365 y más de 100 proveedores, o consulte un selector específico. Usar herramienta ](/es/tools/dkim-lookup/)[ Verificador de BIMI Compruebe su registro BIMI, previsualice el logotipo de su marca y verifique el estado del certificado VMC de cualquier dominio. Usar herramienta ](/es/tools/bimi-checker/)[ Verificador MTA-STS Valide los registros DNS y los archivos de política de MTA-STS. Compruebe el modo de aplicación de TLS, los hosts MX autorizados y la duración de la caché de la política. Usar herramienta ](/es/tools/mta-sts-checker/)[ Nuevo Generador de registros SPF Cree un registro SPF válido en 60 segundos. Seleccione sus proveedores de correo, añada IP personalizadas, elija su política y copie el resultado en su DNS. Usar herramienta ](/es/tools/spf-record-generator/)[ Consulta de registros SPF Consulte el registro SPF de cualquier dominio desde DNS en vivo. Vea el registro en bruto, expanda los includes anidados y cuente las consultas. Usar herramienta ](/es/tools/spf-record-lookup/)[ Validador de SPF Valide cualquier registro SPF en busca de errores de sintaxis, infracciones de consultas DNS, consultas nulas y el cumplimiento completo de la RFC 7208\. Usar herramienta ](/es/tools/spf-validator/)[ Glosario de SPF Guía de referencia de los mecanismos, cualificadores y modificadores de SPF. Entienda ip4, include, redirect, all y más. Usar herramienta ](/es/glosario-spf/)[ Nuevo Analizador de cabeceras de correo Pegue las cabeceras de correo en bruto y vea al instante la ruta de entrega completa con los retardos de tiempo por salto, además de los resultados de SPF, DKIM y DMARC. Alojado en Mailflow Monitoring. Usar herramienta ](https://mailflowmonitoring.com/tools/email-header-analyzer/?utm%5Fsource=autospf&utm%5Fmedium=tools%5Fdirectory) Referencia de protocolos ## Qué comprueban estas herramientas SPF TXT @ domain Qué servidores pueden enviar correo en nombre de su dominio DMARC TXT @ \_dmarc.domain Qué hacer cuando SPF o DKIM fallan DKIM TXT @ selector.\_domainkey.domain Verificación de la firma criptográfica del correo BIMI TXT @ default.\_bimi.domain Visualización del logotipo de marca en los clientes de correo MTA-STS TXT @ \_mta-sts.domain + policy file Forzar el cifrado TLS para el correo entrante TLS-RPT TXT @ \_smtp.\_tls.domain Informar de los fallos de conexión TLS ## ¿Demasiadas consultas DNS? AutoSPF aplana automáticamente su registro SPF y lo mantiene dentro del límite de 10 consultas. La configuración lleva 60 segundos. [Ver planes y precios→](/es/precios/) Rated 5/5 on G2 · Trusted since 2018 ## Con la confianza de más de 2000 empresas ### "Helped us go beyond capacity" > AutoSPF did exactly as described, it helped us get past our 10 lookup limit. Afterwards, we hit another limit regarding overall capacity and when contacted, they quickly provided us with a new solution to eliminate capacity issues entirely going forward, so now we can add as many SPF records as needed. They also provided us with a personalized support video explaining their new method in its entirety using our instance as the example. VU Verified User Financial Services · Mid-Market (51-1000 emp.) ### "Great service and great support" > AutoSPF was easy to initially set up on our own and a great cost effective entry into spf flattening. Needed our first support assistance today and got great response including a video demonstrating the issue I was trying to solve, a quick fix, and more detailed followup. GF Greg F. Mid-Market (51-1000 emp.) ### "Robust and useful product with incredible support" > AutoSPF is a simple tool to solve a significant problem. It does it so very well without any issues. Additionally, the support is very professional and goes above and beyond to help resolve any email-related issues for their customers. VU Verified User Insurance · Mid-Market (51-1000 emp.) [Read our reviews on G2 ](https://www.g2.com/products/autospf/reviews) ```json {"@context":"https://schema.org","@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com","logo":{"@type":"ImageObject","url":"https://autospf.com/images/autospf-logo.png"},"description":"Automatic SPF flattening and email authentication management. 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Resolve SPF lookup limits, flatten SPF records, and maintain email deliverability across all your domains.","parentOrganization":{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138883901","name":"DuoCircle LLC","url":"https://www.duocircle.com","sameAs":["https://www.wikidata.org/wiki/Q138883901","https://www.crunchbase.com/organization/duocircle-llc","https://www.linkedin.com/company/duocircle","https://github.com/duocircle"],"subOrganization":[{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138898167","name":"DMARC Report","url":"https://dmarcreport.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897474","name":"AutoSPF","url":"https://autospf.com"},{"@type":"Organization","@id":"https://www.wikidata.org/wiki/Q138897912","name":"Phish Protection","url":"https://www.phishprotection.com"}]}}} ``` ```json {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"¿Son gratuitas estas herramientas de seguridad de correo?","acceptedAnswer":{"@type":"Answer","text":"Sí. Todas las herramientas de consulta DNS y validación de esta página son completamente gratuitas y no requieren cuenta. Compruebe los registros SPF, DMARC, BIMI, MTA-STS y TLS-RPT de cualquier dominio al instante."}},{"@type":"Question","name":"¿Qué es el Verificador de autenticación de dominio?","acceptedAnswer":{"@type":"Answer","text":"El Verificador de autenticación de dominio comprueba los 5 protocolos de autenticación de correo (SPF, DMARC, BIMI, MTA-STS, TLS-RPT) de cualquier dominio en una única consulta. Le ofrece una puntuación global y análisis específicos para cada protocolo."}},{"@type":"Question","name":"¿Cómo funciona el Verificador de registros SPF?","acceptedAnswer":{"@type":"Answer","text":"El verificador de SPF recupera el registro SPF TXT de su dominio, resuelve recursivamente todos los mecanismos include, cuenta las consultas DNS frente al límite de 10 de la RFC 7208 y construye un árbol visual que muestra exactamente cómo está estructurado su registro SPF."}}]} ``` ```json {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://autospf.com/"},{"@type":"ListItem","position":2,"name":"Herramientas","item":"https://autospf.com/es/tools/"}]} ``` ```json {"@context":"https://schema.org","@type":"Product","name":"AutoSPF","url":"https://autospf.com","aggregateRating":{"@type":"AggregateRating","ratingValue":5,"reviewCount":21,"bestRating":5,"worstRating":1},"review":[{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":5,"bestRating":5},"author":{"@type":"Person","name":"Verified User","jobTitle":"Financial Services"},"datePublished":"2025-07-31","reviewBody":"AutoSPF did exactly as described, it helped us get past our 10 lookup limit. Afterwards, we hit another limit regarding overall capacity and when contacted, they quickly provided us with a new solution to eliminate capacity issues entirely going forward, so now we can add as many SPF records as needed. They also provided us with a personalized support video explaining their new method in its entirety using our instance as the example.","name":"Helped us go beyond capacity","publisher":{"@type":"Organization","name":"G2","url":"https://www.g2.com"}},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":5,"bestRating":5},"author":{"@type":"Person","name":"Greg F."},"datePublished":"2023-07-26","reviewBody":"AutoSPF was easy to initially set up on our own and a great cost effective entry into spf flattening. Needed our first support assistance today and got great response including a video demonstrating the issue I was trying to solve, a quick fix, and more detailed followup.","name":"Great service and great support","publisher":{"@type":"Organization","name":"G2","url":"https://www.g2.com"}},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":5,"bestRating":5},"author":{"@type":"Person","name":"Verified User","jobTitle":"Insurance"},"datePublished":"2022-01-12","reviewBody":"AutoSPF is a simple tool to solve a significant problem. It does it so very well without any issues. Additionally, the support is very professional and goes above and beyond to help resolve any email-related issues for their customers.","name":"Robust and useful product with incredible support","publisher":{"@type":"Organization","name":"G2","url":"https://www.g2.com"}}]} ```