{"uid":"cap_bJ_Uu4ZePHQ8Qh6kGCn9V","slug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-bfd5fdbd","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://alpha-stream.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://alpha-stream.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_gAchbRQjsD8kgPPsa6mpt","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"alpha-stream.agentdiet.dev","brandSlug":"alpha-stream-agentdiet-dev-mpp","brandBaseUrl":"https://alpha-stream.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner 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 whether it's from a disposable provider, has valid MX records, and has SPF and DMARC properly configured?","exampleUseCases":[{"title":"Lead quality check before CRM entry","prompt":"Before I add contact@startup.io to my CRM, can you verify it's a legitimate email — not a throwaway address — and that the domain has proper MX and DMARC records so messages will actually get through?"},{"title":"Marketing list hygiene before campaign","prompt":"I'm about to send a campaign to subscribers@newsletter.example.com — can you check if that email is deliverable and flag whether it's a role account or from a disposable provider?"},{"title":"Email security audit for onboarding form","prompt":"A user just signed up with temp123@mailinator.com — can you tell me if that's a burner or disposable email, and whether the domain even has valid MX records?"}],"resultDescription":"Returns a structured object indicating whether the email address passes syntax checks, whether the domain is associated with a disposable or burner provider, whether it is a role-based account (e.g. admin@, support@), and the live DNS health of MX, SPF, and DMARC records for the domain.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the domain's nameservers are unresponsive","False negatives on newly created disposable domains not yet in blocklists","Role account detection may miss uncommon role prefixes","SPF/DMARC parsing may be incomplete for complex multi-record configurations","Payment failure (HTTP 402) if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need a combined, single-call check covering email syntax, disposable provider detection, role account classification, and live DNS MX/SPF/DMARC record verification. It is especially useful for lead validation, user registration gatekeeping, and email security audits where you need more than a simple format check — particularly when you need live DNS lookups rather than static pattern matching.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:06.739Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-73a4bb6a"}