{"uid":"cap_jEm-9Tpz4O1etJ2PaJd1Y","slug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-de1fc74a","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://mesh.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://mesh.agentdiet.dev/v1/spf-dmarc-auditor?utm_source=zero.xyz","method":"POST","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_gh3uv7gSm9pFiPYkVDQ0w","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mesh.agentdiet.dev","brandSlug":"mesh-agentdiet-dev-mpp","brandBaseUrl":"https://mesh.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 checks.","exampleAgentPrompt":"Can you verify whether john.doe@acmecorp.com is a real, deliverable email — check the MX records, SPF, DMARC, and flag it if it's a disposable or role-based address?","exampleUseCases":[{"title":"Lead email validation before CRM import","prompt":"Before I add these leads to our CRM, can you check whether sales@startupxyz.io is actually deliverable — verify the MX records and let me know if it's a role account or from a burner email service?"},{"title":"Email security audit for onboarding","prompt":"A new user signed up with the email free-trial@mailinator.com — can you check if that's a disposable or burner address, and also verify whether the domain has proper SPF and DMARC records set up?"},{"title":"Cold outreach deliverability check","prompt":"I'm about to send a cold email to ceo@techventures.co — can you confirm the domain has valid MX records and that SPF and DMARC are properly configured so my message won't bounce or get flagged?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain uses a known disposable or burner provider, whether the address is a role account (e.g. info@, admin@), and the live DNS lookup results for MX, SPF, and DMARC records — giving a comprehensive deliverability and security posture assessment for the address.","failureModes":["Invalid or missing email input returns a validation error","DNS lookup timeouts if the domain's nameservers are unresponsive","Domains with no MX records flagged as undeliverable","Unknown or novel disposable providers may not be detected","Payment required (HTTP 402) if x402 micropayment header is missing or invalid","Rate limiting if called excessively without idempotency key"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email health check that combines syntax validation, disposable provider detection, role-account flagging, and live DNS MX/SPF/DMARC verification in one response. Prefer it over simple regex-only validators when you need DNS-level proof of deliverability, or over domain-only DMARC checkers when you need per-address disposable and role-account intelligence simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:45.484Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-59ba9778"}