{"uid":"cap_btVgC_3uAsu8oJIu1KHZ5","slug":"dkim-selector-sib-public-key-lookup-82cda579","name":"DKIM Selector 'sib' Public Key Lookup","description":"DKIM public key for selector \"sib\" of a domain: looks up sib._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 sib selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/sib?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_kuzdlGVRxjzObLoKKkYq2","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 'sib' selector of a given domain, returning key type, length, testing flag, and revocation status.","exampleAgentPrompt":"Can you check whether the DKIM 'sib' selector is properly set up for example.com — I need to know if the key is valid, what type it is, and whether it's been revoked?","exampleUseCases":[{"title":"Pre-send email deliverability check","prompt":"Before we send the campaign, can you confirm that the sib DKIM selector is active and not revoked for our domain acme.com?"},{"title":"Debug DKIM signature failure","prompt":"Emails from our Sendinblue account are failing DKIM checks — can you look up the sib._domainkey TXT record for mybusiness.com and tell me if the public key is valid and what length it is?"},{"title":"Email security audit","prompt":"We're auditing our domain mailsecurity.org — can you check the sib DKIM selector and tell me the key type, length, whether it's in testing mode, and if it might be revoked?"}],"resultDescription":"Returns parsed DKIM TXT record details for sib._domainkey.<domain>: DKIM version (v=), key type (k=), public key length in bits, whether the key is in testing mode, and whether the key is revoked (empty p= field). Confirms whether mail signed with the sib selector will successfully verify.","failureModes":["Domain has no sib._domainkey TXT record — returns not found or NXDOMAIN","DNS query timeout or Cloudflare DoH unavailability","Malformed TXT record that cannot be parsed","Domain input missing or invalid format","Key is revoked (empty p=) — returns revoked flag rather than error"],"whenToPreferThis":"Use this endpoint when you specifically need to validate the 'sib' DKIM selector (commonly used by Sendinblue/Brevo email service) for a domain. It provides richer parsed output than a raw DNS TXT lookup, including key length, type classification, testing mode, and explicit revocation detection — ideal for email deliverability checks or security audits targeting this selector.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:31.275Z","isFirstParty":false,"canonicalSlug":"dkim-selector-sib-public-key-lookup-82cda579"}