{"uid":"cap_xUYcGE8zLWhWSH2O7Kb1n","slug":"llms-generator-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-9f40c33e","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://llms-generator.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://llms-generator.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_ww0TjD4An72Pu2jcHbu09","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"llms-generator.agentdiet.dev","brandSlug":"llms-generator-agentdiet-dev-mpp","brandBaseUrl":"https://llms-generator.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX/SPF/DMARC record health.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — is it from a disposable provider, is it a role account, and does the domain have valid MX, SPF, and DMARC records set up?","exampleUseCases":[{"title":"Block fake signups at registration","prompt":"Before I create an account for the email address signup@tempmail.org, can you check if it's a real deliverable address or a disposable burner, and whether the domain has proper MX and SPF records?"},{"title":"Audit lead email before CRM import","prompt":"I'm about to add contact@somestartup.io to our CRM — can you verify it's not a role account, confirm it's deliverable, and check that the domain has DMARC configured so our emails won't bounce?"},{"title":"Pre-send deliverability check for cold outreach","prompt":"I want to send a cold email to ceo@prospectcompany.com — can you verify the address is valid, the domain has working MX records, and that SPF and DMARC are properly set up so my message won't get flagged?"}],"resultDescription":"Returns a structured report covering: email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. admin@, noreply@), live MX record lookup results confirming mail server existence, SPF record presence and content, and DMARC policy record status — giving a comprehensive deliverability and DNS health assessment.","failureModes":["Invalid or malformed email input returns a syntax error","DNS lookup timeout if the domain's nameservers are unresponsive","Non-existent domain returns no MX/SPF/DMARC records found","Payment failure via x402 if USDC balance is insufficient","Rate limiting or 429 if too many requests are made in a short period"],"whenToPreferThis":"Choose this endpoint when you need a single call that covers all layers of email validation — syntax, disposable/burner detection, role account flagging, and live DNS checks (MX, SPF, DMARC) — rather than calling separate tools for each. Ideal for pre-registration filtering, CRM hygiene, cold outreach validation, or any workflow where email quality and anti-spam DNS configuration both matter. Prefer it over generic SMTP ping tools when DMARC and SPF audit data are needed alongside deliverability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:42.208Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-4e9bcd8b"}