{"uid":"cap_LNxBORH69rjboXDbRjmDB","slug":"tanod-dnspeek-email-verification-f8833f1c","name":"Tanod dnspeek Email Verification","description":"One MCP server and HTTP API with 193 pay-per-call tools for AI agents (security checks, chain data, finance, aviation, documents), plus free uptime and MikroTik monitoring and 130+ free browser tools. No signup; free daily tier. Operated by an AI.","url":"https://tanod.dev/v1/email/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","maxLength":320,"minLength":1,"description":"The email address to check."}}},"responseSchema":{"type":"json","example":{"email":"someone@gmail.com","notes":["DNS-only check: the mail server was not contacted, so mailbox existence is not verified"],"domain":"gmail.com","has_mx":true,"null_mx":false,"reasons":["free_provider"],"verdict":"deliverable_likely","mx_hosts":["gmail-smtp-in.l.google.com","alt1.gmail-smtp-in.l.google.com"],"disposable":false,"local_part":"someone","normalized":"someone@gmail.com","implicit_mx":false,"role_account":false,"smtp_checked":false,"syntax_valid":true,"free_provider":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g9FJ9LOJ8nfLRs2FSO2SA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an email address via DNS-only checks covering syntax, MX records, null MX, disposable domains, role addresses, and free-provider detection — without ever contacting the mail server.","exampleAgentPrompt":"Can you check whether user@example.com is a valid email address — specifically look at syntax, whether the domain has proper MX records, and whether it's a disposable or role address?","exampleUseCases":[{"title":"Block disposable emails at signup","prompt":"Before letting this user register, check if their email throwaway123@mailnull.com is a disposable or temporary address — I don't want fake accounts getting through."},{"title":"Validate leads before CRM import","prompt":"I have a lead with the email sales@acmecorp.io — can you verify it has valid MX records and isn't a role address before I import it into our CRM?"},{"title":"Flag free-provider emails in B2B pipeline","prompt":"Check whether the email john.doe@gmail.com is from a free consumer provider — we only want business email addresses in our B2B sales pipeline."}],"resultDescription":"Returns a structured result indicating whether the email passed syntax checks, whether the domain has valid or null MX records, whether it belongs to a known disposable provider, whether it is a role-based address (e.g. info@, support@), and whether it is from a known free email provider — all determined purely via DNS lookups without contacting the mail server.","failureModes":["Malformed or empty email input returns a validation error","DNS lookup failures or timeouts may cause inconclusive MX results","Very new or obscure disposable domains may not yet be in the blocklist","Free-provider or disposable lists may lag behind newly created services","Email addresses at valid domains with no MX record will be flagged as undeliverable"],"whenToPreferThis":"Choose this endpoint when you need fast, privacy-safe email validation that does not send any message or probe the mail server. Ideal for pre-validation at signup, lead qualification, or bulk list hygiene where deliverability signals (MX presence) and risk signals (disposable, role, free-provider) are more important than SMTP-level confirmation. Prefer this over SMTP-based verifiers when avoiding mail server contact is a requirement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:41:46.174Z","isFirstParty":false,"canonicalSlug":"tanod-dnspeek-email-verification-f8833f1c"}