{"uid":"cap_HkbdVfoLK8zBYYA-aQDdE","slug":"github-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-1a750b67","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/spf-dmarc-auditor)","url":"https://github-audit.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_lCjudcpfmNRW4S7V9elSR","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 checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically whether the domain has valid MX records, SPF and DMARC policies configured, and whether it looks like a disposable or role account?","exampleUseCases":[{"title":"Pre-send list hygiene for email campaign","prompt":"Before I send my newsletter, can you verify that leads@acmecorp.io is a real deliverable address — check the MX records, SPF, and DMARC setup, and flag it if it's a role account or burner email?"},{"title":"B2B lead qualification on signup","prompt":"A new user just signed up with the email noreply@tempmail.org — can you check if it's a disposable provider, role account, or has broken DNS so I know whether to approve them?"},{"title":"Domain email infrastructure audit","prompt":"I need to know if our partner's domain fastventures.com has proper MX, SPF, and DMARC records set up — can you verify using their contact email hello@fastventures.com?"}],"resultDescription":"Returns structured validation results including: email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. info@, admin@), live MX record lookup results, SPF record presence and policy, and DMARC record presence and policy — giving a comprehensive deliverability and trust assessment.","failureModes":["Missing or malformed email parameter returns an error","Unreachable or non-existent domain may result in empty MX/SPF/DMARC fields","DNS lookup timeouts for slow-responding nameservers","Newly registered domains may not yet have SPF/DMARC records even if legitimate","Disposable provider database may not cover all emerging throwaway services"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-signal email validation that goes beyond simple syntax checking — specifically when you need live DNS MX record verification, SPF/DMARC policy checks, and disposable/burner provider detection in a single call. Ideal for B2B lead enrichment pipelines, signup fraud prevention, pre-send email list hygiene, and agent workflows that need to assess email trustworthiness before acting on an address.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:49.099Z","isFirstParty":false,"canonicalSlug":"github-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-7517d338"}