{"uid":"cap_xrdaiBVpgu7XnGaILL4af","slug":"dkim-selector-dkim1-lookup-c42b3068","name":"DKIM Selector dkim1 Lookup","description":"DKIM public key for selector \"dkim1\" of a domain: looks up dkim1._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 dkim1 selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/dkim1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_xFeA4foW2BQFS5pEFm-HL","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 'dkim1' selector of a given domain, returning key type, length, testing flag, and revocation status.","exampleAgentPrompt":"Check the DKIM dkim1 selector for example.com — I want to know if the key is valid, what type and length it is, and whether it's been revoked.","exampleUseCases":[{"title":"Pre-send email deliverability audit","prompt":"Before we start sending marketing emails from acme.com, can you check whether the dkim1 DKIM selector is properly set up — is the key there, what type is it, and has it been revoked?"},{"title":"Diagnosing DKIM verification failures","prompt":"Our transactional emails from shopify-store.com are bouncing with DKIM errors. Can you look up the dkim1 selector and tell me if the public key is valid and not revoked?"},{"title":"Security audit of outbound mail signing","prompt":"I'm auditing the email security posture of clientdomain.org — pull the dkim1 DKIM selector record and tell me the key length and whether it's still active or has been revoked."}],"resultDescription":"Returns parsed details from the dkim1._domainkey.<domain> TXT record including the DKIM version (v=), key type (k=, e.g. rsa or ed25519), public key length in bits, whether the domain is in testing mode, and whether the key is revoked (empty p= field). Confirms whether mail signed with the dkim1 selector will successfully verify.","failureModes":["Domain does not have a dkim1._domainkey TXT record — returns not found or empty result","DNS resolution failure via Cloudflare DoH — returns a DNS error","Malformed TXT record that cannot be parsed — returns a parsing error","Domain does not exist — returns NXDOMAIN","Payment not processed (x402) — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you specifically need to inspect the 'dkim1' DKIM selector for a domain — it is purpose-built to parse and validate exactly that selector. Prefer it over generic DNS TXT lookups when you need structured output including key type, length, testing flag, and revocation status rather than a raw TXT string.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:08.950Z","isFirstParty":false,"canonicalSlug":"dkim-selector-dkim1-lookup-c42b3068"}