{"uid":"cap_SfNKRwZMfH_3vHn3ZlPPt","slug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-59d06c9a","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://hn-pulse.agentdiet.dev/v1/spf-dmarc-auditor)","url":"https://hn-pulse.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_14FkGu2j7yGcJj9ez2hlt","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"hn-pulse.agentdiet.dev","brandSlug":"hn-pulse-agentdiet-dev-mpp","brandBaseUrl":"https://hn-pulse.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 health.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — specifically if the domain has valid MX records set up and whether it's flagged as a disposable or burner provider?","exampleUseCases":[{"title":"Pre-signup email gate for SaaS onboarding","prompt":"Before we create this user's account, verify that the email they submitted — signup@tempmail.io — is not from a disposable provider and actually has live MX records so we know it's reachable."},{"title":"B2B outreach list hygiene check","prompt":"I have a lead email address — cfo@bigcorp.com — can you confirm it's deliverable by checking the domain's MX setup, and also tell me if it's a role account I should avoid cold-emailing?"},{"title":"Email security posture audit for a domain","prompt":"Check whether the domain behind marketing@startupco.io has proper SPF and DMARC records configured, and flag any issues that could hurt deliverability or leave it open to spoofing."}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain uses a known disposable or burner provider, whether the local part is a role account (e.g. admin@, info@), and the live DNS state of MX, SPF, and DMARC records including policy values and potential misconfigurations.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the domain's nameservers are slow or unreachable","Unknown or unregistered domain results in no MX/SPF/DMARC records found","Disposable provider database may not cover newly created burner domains","Non-standard or private TLDs may produce inconclusive results"],"whenToPreferThis":"Choose this endpoint when you need a single-call, multi-dimensional email quality check covering syntax, deliverability (live MX), anti-spoofing posture (SPF/DMARC), and risk signals (disposable/role) without running separate DNS lookups. Ideal for pre-signup validation, CRM hygiene, and B2B lead enrichment pipelines where a bad email wastes budget or triggers spam filters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:33.820Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-c670a243"}