{"uid":"cap_jciBJ67sRECaoJlXGyMrb","slug":"mekler-ai-email-domain-mail-configuration-checker-60958c77","name":"Mekler AI Email/Domain Mail Configuration Checker","description":"Dated topic news search, x402 service diagnostics, annual SEC financial facts, CSV validation, citation-source comparison, web extraction and email domain checks for agents. Find recent topic news with deduplicated source links and optional source-linked headline highlights; retrieve six annual US-GAAP USD fields by CIK with filing links, same-filing growth checks and optional observed revisions; check supplied CSV and citations; extract public page text, rendering JavaScript in a headless browser when needed; inspect email address syntax and mail-domain DNS. Pay per call with native USDC on Base or Solana via x402, without a separate API key. Wallet-first free trials cover CSV, column-spec, citation and static-page operations.","url":"https://api.mekler.ai/v1/email/domains/check-mail-configuration?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"kind":{"enum":["email","domain"],"type":"string"},"value":{"type":"string","maxLength":320,"minLength":1},"selector":{"type":"string","maxLength":100,"minLength":1}}},"responseSchema":{"type":"json","example":{"spf":{"dns":{"status":"ok","ttl_seconds":60},"record":"v=spf1 -all","status":"record_found"},"dkim":{"status":"selector_required"},"dmarc":{"dns":{"status":"ok","ttl_seconds":60},"record":"v=DMARC1; p=reject","status":"record_found"},"domain":"example.org","syntax":"not_applicable","service":"email-domain-checks","disposable":"not_on_small_known_list","mail_route":{"mx":{"status":"ok","values":[[10,"mail.example.org"]],"ttl_seconds":60},"status":"mx_configured"},"mailbox_exists":"unknown","schema_version":"1"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8OoMeQMsaVKAalqws_Cpq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks an email address or domain for mail configuration health: syntax, MX records, SPF, DMARC, optional DKIM selector, and disposable-domain status.","exampleAgentPrompt":"Can you check the full mail configuration for example.com — I need to see its MX records, SPF, DMARC, and also check the DKIM selector called 'google'?","exampleUseCases":[{"title":"Pre-send domain health audit","prompt":"Before I start my email campaign, can you check the mail configuration for mybrand.com — specifically whether it has valid MX, SPF, and DMARC records set up?"},{"title":"Disposable email detection","prompt":"I just got a signup from user@mailnull.com — can you check whether that domain is on the disposable email list and whether it has real mail routing?"},{"title":"DKIM selector verification","prompt":"Check the email config for acme.org and also verify the DKIM selector named 's1' — I want to confirm the full authentication chain is in place."}],"resultDescription":"Returns a structured JSON object with: domain name, syntax status (for email-kind inputs), mail route (MX records or A/AAAA fallback or null MX), SPF record and DNS status, DMARC record and DNS status, DKIM record status (if selector supplied), disposable-domain flag, and mailbox_exists (always 'unknown' — no mailbox verification is performed).","failureModes":["DNS lookup failure returns status 'unknown' for affected records rather than an error","No mailbox existence verification — mailbox_exists always returns 'unknown'","DKIM check returns 'selector_required' if no selector is supplied","Disposable domain list is small and known — emerging disposable domains may not be flagged","Invalid or malformed input value may fail schema validation","Does not predict actual email delivery success"],"whenToPreferThis":"Choose this endpoint when you need a fast, structured DNS-level audit of email authentication configuration (MX, SPF, DMARC, DKIM) for a domain or email address, including a disposable-domain check — without needing actual mailbox verification or SMTP probing. It is especially useful for pre-flight checks before sending campaigns, validating inbound signup addresses, or auditing domain email hygiene.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:38:08.689Z","isFirstParty":false,"canonicalSlug":"mekler-ai-email-domain-mail-configuration-checker-60958c77"}