{"uid":"cap_DNrerzypdyg6DzM7MUJkb","slug":"dkim-selector-1-public-key-lookup-176dd4ae","name":"DKIM Selector 1 Public Key Lookup","description":"DKIM public key for selector \"1\" of a domain: looks up 1._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 1 selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_9Pk0FBT80x9tXziIqBpUh","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 '1' selector of a given domain by querying 1._domainkey.<domain> via Cloudflare DNS-over-HTTPS","exampleAgentPrompt":"Can you check the DKIM record for selector '1' on example.com and tell me if the key is valid, what type it is, how long it is, and whether it's been revoked?","exampleUseCases":[{"title":"Pre-send email deliverability check","prompt":"Before we send our marketing campaign, can you verify that DKIM selector 1 is properly set up and not revoked on ourdomain.com so the emails won't fail authentication?"},{"title":"Security audit of DKIM configuration","prompt":"I'm auditing our domain acmecorp.com — can you pull the DKIM public key for selector 1 and tell me the key length, key type, and whether it's in testing mode or revoked?"},{"title":"Troubleshooting DKIM verification failures","prompt":"Our emails from newsletter.io are failing DKIM checks — can you look up the DKIM record for selector 1 on newsletter.io and tell me exactly what's in the record so I can figure out what's wrong?"}],"resultDescription":"Returns parsed details from the DKIM TXT record at 1._domainkey.<domain>, including: DKIM version (v=), key type (k=, e.g. rsa or ed25519), the raw public key, public key bit length, whether the testing flag is set, and whether the key is revoked (empty p= field). Indicates if mail signed with the '1' selector will pass verification.","failureModes":["Domain does not exist — DNS lookup fails with NXDOMAIN","No DKIM record found at 1._domainkey.<domain> — record missing","DKIM record is malformed and cannot be parsed","Empty p= field — key is revoked, verification will fail","Cloudflare DoH timeout or network error","Domain input missing or invalid format"],"whenToPreferThis":"Use this endpoint when you specifically need to verify or inspect the DKIM configuration for the selector named '1' — a common default selector used by many email service providers and self-hosted mail servers. Choose this over generic DNS TXT lookups because it automatically parses all DKIM-specific fields (key type, length, testing flag, revocation) rather than returning raw text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T18:54:19.713Z","isFirstParty":false,"canonicalSlug":"dkim-selector-1-public-key-lookup-176dd4ae"}