{"uid":"cap_YMl5ESVdfziMgr7fTascX","slug":"macaroon-network-email-domain-deliverability-check-4a5d5e9f","name":"Macaroon Network Email Domain Deliverability Check","description":"Checks whether a domain appears technically configured for email delivery, from direct public DNS records only: MX presence, SPF presence, DMARC presence and policy, and an optional DKIM selector check. Queries DNS over HTTPS against a public resolver -- no test emails sent, no mailbox existence verification, no personal data, no leaked-email databases, no proprietary deliverability dataset.","url":"https://api.macaroonnetwork.com/execute/email-domain-deliverability-check-v1","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UsLHyqEXqgl3f-9Mn2Goy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a domain is technically configured for email delivery by querying public DNS records for MX, SPF, DMARC presence/policy, and optionally DKIM selectors — no test emails sent.","exampleAgentPrompt":"Can you check whether stripe.com is properly configured for email delivery — specifically look for MX, SPF, and DMARC records, and also check the DKIM selector 'google'?","exampleUseCases":[{"title":"Pre-send domain deliverability audit","prompt":"Before we send our newsletter campaign to these addresses, can you check whether paypal.com has MX, SPF, and DMARC records set up so I know the domain is technically configured to receive email?"},{"title":"Investigating suspicious sender domain","prompt":"I got an email from someone claiming to be at acme-invoices.net — can you check if that domain actually has proper email infrastructure like MX and SPF records, or if it looks like a throwaway domain?"},{"title":"Validating own domain email config","prompt":"We just set up email for our domain startup.io — can you verify that our MX, SPF, and DMARC records are all present and check the DKIM selector 'mailgun' to confirm we're good to go?"}],"resultDescription":"Returns a structured result indicating whether the queried domain has MX records present, SPF record present, DMARC record present and its policy level (e.g. none/quarantine/reject), and optionally whether a specified DKIM selector resolves — all sourced from live public DNS over HTTPS with no test emails sent.","failureModes":["Domain does not exist in DNS — returns negative results for all checks","DKIM selector not provided — selector check skipped","Public DNS resolver temporarily unavailable — request may time out or return error","Malformed domain input — validation error returned","DMARC record exists but is malformed — policy may be unparseable"],"whenToPreferThis":"Choose this endpoint when you need a fast, privacy-safe, no-side-effect check of a domain's email DNS configuration using only public DNS records. It is ideal for pre-send validation, phishing/spoofing triage, or confirming your own domain's email setup. Prefer it over email verification services when you do NOT need mailbox existence checks, leaked-email database lookups, or proprietary deliverability scoring — just clean, raw DNS signal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:44:35.500Z","isFirstParty":false}