{"uid":"cap_uFJ6plz8AQvi6LRQC8W0k","slug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-85ab2a26","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://cve-intel.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://cve-intel.agentdiet.dev/v1/spf-dmarc-auditor?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NnsEhZVaCsJpIMFS6T7Pl","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"cve-intel.agentdiet.dev","brandSlug":"cve-intel-agentdiet-dev-mpp","brandBaseUrl":"https://cve-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record health.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically if the domain has valid MX records, and whether it's from a disposable or role-based provider?","exampleUseCases":[{"title":"Pre-send campaign email validation","prompt":"Before I send my marketing email blast, check if sarah.johnson@startup.io is a real deliverable address and not a burner or role account — I need to know if the MX, SPF, and DMARC records are all healthy."},{"title":"Lead form signup fraud detection","prompt":"A new user just signed up with the email temp1234@mailinator.com — can you verify if this is a disposable or throwaway email address so I can decide whether to block the signup?"},{"title":"B2B outreach email hygiene","prompt":"I'm about to cold-email sales@bigcorp.com — can you check if that domain's MX records are live, if SPF and DMARC are properly configured, and whether it's a role-based address I should avoid?"}],"resultDescription":"Returns a structured object covering: email syntax validity, whether the provider is a known disposable/burner service, whether the address is a role account (e.g. admin@, info@), live DNS MX record lookup results, SPF record presence and configuration, and DMARC record presence and policy — giving a comprehensive deliverability and security posture for the submitted email address.","failureModes":["Missing required 'email' parameter returns a 400 error","Malformed email string may return a syntax-invalid flag rather than performing DNS lookups","DNS lookup timeouts for obscure or offline domains may return partial results","Payment not completed (HTTP 402) if x402 payment header is absent or rejected","Domains with no MX records return deliverability failure but not necessarily an error code"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email validation that combines syntax checking, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC record verification. It is ideal for pre-send email list hygiene, B2B lead validation, user registration fraud prevention, and security audits of email infrastructure — especially when you need all these signals in one call rather than stitching together separate DNS and blocklist tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:33.649Z","isFirstParty":false,"canonicalSlug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-015d6ec0"}