{"uid":"cap_QFelzwG1bwjEg43JXwLaR","slug":"github-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-ad5cdc26","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://github-audit.agentdiet.dev/v1/email-check)","url":"https://github-audit.agentdiet.dev/v1/email-check?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__qBsesB9hpzj5NvDZRT20","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"github-audit.agentdiet.dev","brandSlug":"github-audit-agentdiet-dev-mpp","brandBaseUrl":"https://github-audit.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 presence.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically whether the domain has valid MX records, is it from a disposable provider, and whether SPF and DMARC are configured?","exampleUseCases":[{"title":"Screening signups for burner emails","prompt":"Before I add this new user signup to my CRM, can you verify that noreply@mailinator.com isn't a disposable or fake email address and that the domain actually has working MX records?"},{"title":"Lead list email hygiene","prompt":"I have a lead with the email contact@startupxyz.io — can you check if it's a real deliverable address, whether it's a role account, and if the domain has SPF and DMARC set up properly?"},{"title":"Email infrastructure audit before outreach","prompt":"We're about to send a cold outreach campaign to prospects@bigcorp.com — can you verify the domain's MX, SPF, and DMARC DNS records are all properly configured so our emails won't bounce or get flagged?"}],"resultDescription":"Returns a structured object indicating whether the email passed syntax validation, whether the domain is from a known disposable/burner provider, whether it is a role account (e.g. admin@, info@), and live DNS lookup results for MX, SPF, and DMARC records — giving a composite deliverability assessment.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeouts for domains with slow or unreachable nameservers","False negatives for newly created disposable domains not yet in blocklists","Domains with no MX records flagged as undeliverable even if they accept mail via other means","Rate limiting or HTTP 402 payment required if micropayment not fulfilled"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive single-call email check that covers syntax, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC verification together — especially in B2A or agent-driven workflows where micropayment via x402 is already supported and you need actionable deliverability signals before sending outreach or onboarding a user.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:04.710Z","isFirstParty":false,"canonicalSlug":"github-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-7517d338"}