{"uid":"cap_dPMxAAXzyraZ1KuuRxCrF","slug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9374a2fd","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://workflows.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://workflows.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_1L3b0cLm4RVbqcq6tFtMH","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.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@acmecorp.com is a real, deliverable email address — including whether the domain has valid MX records and proper SPF and DMARC DNS records set up, and whether it looks like a disposable or role account?","exampleUseCases":[{"title":"Screen sign-up emails for fakes","prompt":"Before we add this user to our system, can you verify that signup@tempmail.io is a legitimate email — check if it's a disposable or burner address, whether the domain has working MX records, and whether SPF and DMARC are configured?"},{"title":"Pre-send deliverability audit for outreach","prompt":"I'm about to send a cold outreach campaign — can you check whether cto@startupxyz.com is deliverable, has real MX records, and the domain has SPF and DMARC properly set up so our emails won't bounce or land in spam?"},{"title":"Validate lead contact before CRM import","prompt":"We've got a lead with email contact@bigclient.com — can you verify it's syntactically valid, not a role or throwaway account, and that the domain's DNS is correctly set up with MX, SPF, and DMARC records before we add them to our CRM?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the provider is a known disposable/burner service, whether the address is a role account (e.g. info@, support@), and the live DNS lookup results for MX records (existence and values), SPF record (presence and policy), and DMARC record (presence and policy), giving a full deliverability and anti-spoofing picture for the email domain.","failureModes":["Invalid or malformed email input returns a syntax error","DNS timeout or unreachable nameserver may result in incomplete MX/SPF/DMARC results","Newly registered domains may not yet have DNS records populated","Very large or enterprise domains with complex DNS setups may produce partial results","Missing required 'email' field returns a validation error"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email validation that combines syntax checking, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC auditing — especially useful for B2B lead enrichment pipelines, SaaS sign-up flows, or email outreach pre-screening where deliverability and anti-spoofing compliance all matter. Prefer it over simple syntax-only validators or domain-only DNS checkers when you need the full picture in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T00:36:54.062Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9ae3af34"}