Servidor MCP
scan.mx Email Diagnostics
mx.scan/diagnostics
Qué hace este MCP
Checks domain email deliverability through MX, SPF, DKIM, DMARC, DNS health, SMTP probing, and blacklist status.
Capacidades
Herramientas
6
herramientas
check_blacklist
Check blacklists
Check whether the domain and its mail server IPs are listed on the Spamhaus (ZEN, DBL, ZRD, AuthBL), SpamCop, GBUdb and PSBL blocklists.
Solo lectura
Acceso externo
Esquema de entrada
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'maxLength': 253, 'minLength': 1, 'description': 'The domain to check, e.g. example.com. No scheme or path.'}}}
Esquema de salida
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}, 'checks': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'status', 'message'], 'properties': {'id': {'type': 'string'}, 'rfc': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'status': {'type': 'string'}, 'details': {'anyOf': [{}, {'type': 'null'}]}, 'message': {'type': 'string'}, 'section': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'domain': {'type': 'string'}, 'provider': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'sections': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {'type': 'object', 'required': ['score', 'grade'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}}, 'additionalProperties': False}}, 'selector': {'type': 'string'}, 'permalink': {'type': 'string'}, 'smtp_note': {'type': 'string'}, 'created_at': {'type': 'number'}, 'expires_at': {'type': 'number'}, 'updated_at': {'type': 'number'}, 'smtp_status': {'type': 'string'}, 'poll_after_seconds': {'type': 'number'}}, 'additionalProperties': False}
check_dkim
Check DKIM
Check DKIM signing keys for a domain. Without a selector, common provider selectors are probed. Pass an explicit selector to look up that exact key at selector._domainkey.
Solo lectura
Acceso externo
Esquema de entrada
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'maxLength': 253, 'minLength': 1, 'description': 'The domain to check, e.g. example.com. No scheme or path.'}, 'selector': {'type': 'string', 'pattern': '^[a-z0-9_.-]+$', 'maxLength': 63, 'description': 'An explicit DKIM selector to look up (e.g. "google", "s1").'}}}
Esquema de salida
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}, 'checks': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'status', 'message'], 'properties': {'id': {'type': 'string'}, 'rfc': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'status': {'type': 'string'}, 'details': {'anyOf': [{}, {'type': 'null'}]}, 'message': {'type': 'string'}, 'section': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'domain': {'type': 'string'}, 'provider': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'sections': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {'type': 'object', 'required': ['score', 'grade'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}}, 'additionalProperties': False}}, 'selector': {'type': 'string'}, 'permalink': {'type': 'string'}, 'smtp_note': {'type': 'string'}, 'created_at': {'type': 'number'}, 'expires_at': {'type': 'number'}, 'updated_at': {'type': 'number'}, 'smtp_status': {'type': 'string'}, 'poll_after_seconds': {'type': 'number'}}, 'additionalProperties': False}
check_dmarc
Check DMARC
Check the domain DMARC policy at _dmarc: presence, policy strength (none/quarantine/reject), and reporting.
Solo lectura
Acceso externo
Esquema de entrada
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'maxLength': 253, 'minLength': 1, 'description': 'The domain to check, e.g. example.com. No scheme or path.'}}}
Esquema de salida
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}, 'checks': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'status', 'message'], 'properties': {'id': {'type': 'string'}, 'rfc': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'status': {'type': 'string'}, 'details': {'anyOf': [{}, {'type': 'null'}]}, 'message': {'type': 'string'}, 'section': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'domain': {'type': 'string'}, 'provider': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'sections': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {'type': 'object', 'required': ['score', 'grade'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}}, 'additionalProperties': False}}, 'selector': {'type': 'string'}, 'permalink': {'type': 'string'}, 'smtp_note': {'type': 'string'}, 'created_at': {'type': 'number'}, 'expires_at': {'type': 'number'}, 'updated_at': {'type': 'number'}, 'smtp_status': {'type': 'string'}, 'poll_after_seconds': {'type': 'number'}}, 'additionalProperties': False}
check_domain
Full email deliverability check
Run the full email and DNS deliverability check for a domain: MX, SPF, DKIM, DMARC, DNS health, provider detection, and blacklists. Returns a letter grade (A+ to F, where specific weaknesses cap the grade), a 0 to 100 score, and every individual check with its RFC reference. Set include_smtp to also run a live SMTP probe of the mail servers: the probe is non-blocking, so when smtp_status is "pending" or "running" call this tool again (poll_after_seconds hints how long to wait) until smtp_status is "complete" and the SMTP checks appear in checks.
Solo lectura
Acceso externo
Esquema de entrada
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'maxLength': 253, 'minLength': 1, 'description': 'The domain to check, e.g. example.com. No scheme or path.'}, 'include_smtp': {'type': 'boolean', 'default': False, 'description': 'Also run a live SMTP connectivity probe of the MX hosts. Non-blocking: poll by re-calling until smtp_status is complete.'}}}
Esquema de salida
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}, 'checks': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'status', 'message'], 'properties': {'id': {'type': 'string'}, 'rfc': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'status': {'type': 'string'}, 'details': {'anyOf': [{}, {'type': 'null'}]}, 'message': {'type': 'string'}, 'section': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'domain': {'type': 'string'}, 'provider': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'sections': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {'type': 'object', 'required': ['score', 'grade'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}}, 'additionalProperties': False}}, 'selector': {'type': 'string'}, 'permalink': {'type': 'string'}, 'smtp_note': {'type': 'string'}, 'created_at': {'type': 'number'}, 'expires_at': {'type': 'number'}, 'updated_at': {'type': 'number'}, 'smtp_status': {'type': 'string'}, 'poll_after_seconds': {'type': 'number'}}, 'additionalProperties': False}
check_mx
Check MX records
Check the MX records of a domain: presence, hostnames, resolution, null-MX, and common misconfigurations.
Solo lectura
Acceso externo
Esquema de entrada
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'maxLength': 253, 'minLength': 1, 'description': 'The domain to check, e.g. example.com. No scheme or path.'}}}
Esquema de salida
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}, 'checks': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'status', 'message'], 'properties': {'id': {'type': 'string'}, 'rfc': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'status': {'type': 'string'}, 'details': {'anyOf': [{}, {'type': 'null'}]}, 'message': {'type': 'string'}, 'section': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'domain': {'type': 'string'}, 'provider': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'sections': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {'type': 'object', 'required': ['score', 'grade'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}}, 'additionalProperties': False}}, 'selector': {'type': 'string'}, 'permalink': {'type': 'string'}, 'smtp_note': {'type': 'string'}, 'created_at': {'type': 'number'}, 'expires_at': {'type': 'number'}, 'updated_at': {'type': 'number'}, 'smtp_status': {'type': 'string'}, 'poll_after_seconds': {'type': 'number'}}, 'additionalProperties': False}
check_spf
Check SPF
Check the domain SPF policy: presence, syntax, the all qualifier, and the 10-lookup limit.
Solo lectura
Acceso externo
Esquema de entrada
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'maxLength': 253, 'minLength': 1, 'description': 'The domain to check, e.g. example.com. No scheme or path.'}}}
Esquema de salida
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['domain'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}, 'checks': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'status', 'message'], 'properties': {'id': {'type': 'string'}, 'rfc': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'status': {'type': 'string'}, 'details': {'anyOf': [{}, {'type': 'null'}]}, 'message': {'type': 'string'}, 'section': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'domain': {'type': 'string'}, 'provider': {'anyOf': [{'type': 'string'}, {'type': 'null'}]}, 'sections': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {'type': 'object', 'required': ['score', 'grade'], 'properties': {'grade': {'type': 'string'}, 'score': {'type': 'number'}}, 'additionalProperties': False}}, 'selector': {'type': 'string'}, 'permalink': {'type': 'string'}, 'smtp_note': {'type': 'string'}, 'created_at': {'type': 'number'}, 'expires_at': {'type': 'number'}, 'updated_at': {'type': 'number'}, 'smtp_status': {'type': 'string'}, 'poll_after_seconds': {'type': 'number'}}, 'additionalProperties': False}
Historial
Cambios recientes en herramientas
Añadido
check_dkim
17 de September de 2026 a las 12:54
Añadido
check_blacklist
17 de September de 2026 a las 12:54
Añadido
check_dmarc
17 de September de 2026 a las 12:54
Añadido
check_spf
17 de September de 2026 a las 12:54
Añadido
check_mx
17 de September de 2026 a las 12:54
Añadido
check_domain
17 de September de 2026 a las 12:54
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