{"uid":"cap_fon0TGQWqcIgljsz8nM95","slug":"llms-generator-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-ec12148a","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":"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_ftp6rFSDwDZqlRhUcAa-v","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, and DMARC record verification.","exampleAgentPrompt":"Can you check whether john.doe@tempmail.com is a real, deliverable email address — specifically whether it's a disposable provider, has valid MX records, and has SPF and DMARC set up on its domain?","exampleUseCases":[{"title":"Block disposable signups at registration","prompt":"Before we create this account, check if the email alex93@guerrillamail.com is a throwaway or burner address and whether its domain even has proper MX records so we know if it can receive mail."},{"title":"Pre-send deliverability audit for outreach","prompt":"I'm about to send a cold outreach campaign to contact@acmecorp.io — can you verify the email is syntactically valid, the domain has live MX records, and that SPF and DMARC are configured correctly so my emails don't bounce or get flagged?"},{"title":"Detect role accounts in lead lists","prompt":"I have a lead with email info@bigcompany.com — can you tell me if that's a role-based address, whether the domain has valid MX records, and if their SPF and DMARC DNS records are properly set up?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain is a known disposable or burner provider, whether the address appears to be a role account, and live DNS lookup results for MX records (mail server presence), SPF record (sender policy), and DMARC record (anti-spoofing policy) — giving a comprehensive deliverability and authentication picture for the email's domain.","failureModes":["Invalid or malformed email address input returns a syntax error or validation failure","Domain does not exist in DNS, resulting in no MX records found","Temporary DNS resolution failures may cause false negatives on MX/SPF/DMARC lookups","Some disposable providers may not be in the blocklist, leading to missed detections","Rate limiting or payment failures (HTTP 402) may block the request"],"whenToPreferThis":"Choose this endpoint when you need a multi-factor email validation that goes beyond simple regex checks — specifically when you need to simultaneously confirm deliverability (live MX lookup), detect throwaway addresses, flag role accounts, and audit SPF/DMARC DNS authentication records in a single API call. Prefer it over basic syntax validators when email hygiene, spam risk, or authentication compliance matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:48:35.320Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-4e9bcd8b"}