{"uid":"cap_aSxXRSDBmJe7Agf9oMyW0","slug":"dkim-marketo-selector-lookup-879bcb99","name":"DKIM Marketo Selector Lookup","description":"DKIM public key for selector \"marketo\" of a domain: looks up marketo._domainkey.<domain> (TXT, Cloudflare DoH) and parses v=, k=, key type, public-key length, testing flag and whether the key is revoked (empty p=). Confirms that mail signed with the marketo selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/marketo?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zFrKq74GV3OH948XlGA77","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up and parses the DKIM public key for the 'marketo' selector of a given domain, reporting key type, length, testing flag, and revocation status.","exampleAgentPrompt":"Can you check if example.com has a valid Marketo DKIM key set up — look up the marketo selector and tell me the key type, length, and whether it's revoked or in testing mode?","exampleUseCases":[{"title":"Verify Marketo email deliverability setup","prompt":"We just configured Marketo for acmecorp.com — can you look up the marketo DKIM selector and confirm the public key is present, not revoked, and what key type and length it's using?"},{"title":"Audit domain before Marketo migration","prompt":"Before we switch our email platform, check if newsletter.brandco.com already has a marketo DKIM selector configured and whether the key is valid or empty."},{"title":"Diagnose Marketo email signing failures","prompt":"Our Marketo emails from techstartup.io are failing DKIM checks — can you pull the marketo._domainkey DNS record and tell me if the key is revoked, in testing mode, or missing?"}],"resultDescription":"Returns parsed fields from the marketo._domainkey.<domain> TXT record including: the v= (version), k= (key type, e.g. RSA), the public key itself, the public key bit length, whether the testing flag (t=y) is set, and whether the key is revoked (empty p= field). Confirms whether Marketo-signed mail will pass DKIM verification.","failureModes":["Domain has no marketo._domainkey TXT record — returns not-found or empty result","DNS resolution failure via Cloudflare DoH — network or upstream error","Malformed TXT record that cannot be parsed — partial or error response","Revoked key (empty p= field) — returned as revoked status rather than an error","Payment not completed — x402 payment required error before lookup proceeds"],"whenToPreferThis":"Use this endpoint when you specifically need to verify the Marketo DKIM selector configuration for a domain, as opposed to other DKIM selectors (e.g. Shopify, Google). Ideal for email deliverability audits, pre-send checks for Marketo campaigns, or diagnosing DKIM authentication failures in Marketo-originated mail.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:09.232Z","isFirstParty":false,"canonicalSlug":"dkim-marketo-selector-lookup-879bcb99"}