{"uid":"cap_xhD-2ZNR6Bjomx19l2i--","slug":"dkim-sparkpost-selector-lookup-ea39d165","name":"DKIM SparkPost Selector Lookup","description":"DKIM public key for selector \"sparkpost\" of a domain: looks up sparkpost._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 sparkpost selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/sparkpost?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_f4-iOoIZIiKaxDKsnQTHy","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 'sparkpost' selector of a given domain, confirming mail signing validity via Cloudflare DoH.","exampleAgentPrompt":"Can you check if example.com has a valid SparkPost DKIM key set up — look up the sparkpost selector and tell me the key type, length, and whether it's revoked or in testing mode?","exampleUseCases":[{"title":"SparkPost deliverability audit","prompt":"We just switched to SparkPost for sending email from acme.com — can you check if the sparkpost DKIM selector is properly configured, and tell me the key type and length so I know it's not revoked?"},{"title":"Email security review","prompt":"I'm auditing the email security setup for clientdomain.org — can you look up their sparkpost._domainkey DNS record and tell me if the DKIM key is valid, what type it is, and whether it's in testing mode?"},{"title":"Troubleshoot SparkPost signing failures","prompt":"Emails sent through SparkPost from mybrand.io keep failing DKIM verification — can you check the sparkpost selector DNS record for that domain and see if the key is empty or revoked?"}],"resultDescription":"Returns parsed details from the sparkpost._domainkey.<domain> TXT DNS record, including the DKIM version (v=), key type (k=), public key data and its length in bits, whether the record is in testing mode (t=y), and whether the key is revoked (empty p= field). Also confirms whether mail signed with the SparkPost selector should pass DKIM verification.","failureModes":["Domain has no sparkpost._domainkey TXT record — returns not found or empty result","DKIM key is revoked (empty p= field) — reported as revoked","DNS resolution failure via Cloudflare DoH — network or upstream error","Malformed TXT record — parsing errors or missing required tags","Domain does not exist — NXDOMAIN response"],"whenToPreferThis":"Use this endpoint when you specifically need to verify the 'sparkpost' DKIM selector for a domain, such as auditing SparkPost email sending configurations, troubleshooting DKIM signing failures for SparkPost-routed mail, or confirming that a domain's SparkPost DKIM key is active, non-revoked, and correctly typed. Prefer this over generic DNS TXT lookup tools when you need parsed, structured DKIM field output (v=, k=, p= length, testing flag) rather than raw record text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:12.222Z","isFirstParty":false,"canonicalSlug":"dkim-sparkpost-selector-lookup-ea39d165"}