{"uid":"cap_W6lqXmg13s1SmyKR6sP8Z","slug":"agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9d7889c3","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://agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://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_0y9dxnyudhpnRtVEg2hJY","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"agentdiet.dev","brandSlug":"agentdiet-dev-mpp","brandBaseUrl":"https://agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider detection, role account flagging, and live DNS MX, SPF, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — specifically whether its domain has valid MX records, a proper SPF policy, and DMARC configured, and whether it looks like a disposable or role account?","exampleUseCases":[{"title":"User signup email screening","prompt":"Before I accept this registration, can you verify that user@tempmail.io is a legitimate email — check if it's a disposable/burner address, whether the domain has real MX records, and if SPF and DMARC are set up?"},{"title":"B2B lead list hygiene audit","prompt":"I have a lead email address contact@acmecorp.com — can you check if it's a role account, whether the domain is properly configured with MX, SPF, and DMARC records, and if it's actually deliverable?"},{"title":"Domain email security posture check","prompt":"Can you audit the email security setup for the domain behind newsletter@bigbrand.com? I want to know if their SPF and DMARC records are in place and whether the address can actually receive mail."}],"resultDescription":"Returns a structured report on the email address covering: syntax validity, whether the domain uses a known disposable/burner provider, whether it is a role account (e.g. admin@, info@), live MX record presence and values, SPF record existence and policy, and DMARC record existence and enforcement policy.","failureModes":["Invalid or malformed email address provided — returns syntax error","Domain has no DNS records (non-existent domain) — MX/SPF/DMARC checks fail with lookup error","DNS timeout during live record resolution — partial results returned","Empty email parameter — returns validation error for missing required field","Payment failure via x402 — request blocked before processing"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email deliverability and security check combining syntax validation, disposable provider detection, role account identification, and live DNS MX/SPF/DMARC lookups in a single call. Prefer it over basic syntax checkers when DNS-level deliverability and email authentication policy (SPF/DMARC) matter — e.g. before sending transactional email, onboarding users, or auditing B2B contact lists.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:41.049Z","isFirstParty":false,"canonicalSlug":"agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-cc06e9a4"}