{"uid":"cap_tZ0tce96NpKs3HSfO2l8N","slug":"dkim-selector-20dkim1-lookup-d5e45467","name":"DKIM Selector 20dkim1 Lookup","description":"DKIM public key for selector \"20dkim1\" of a domain: looks up 20dkim1._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 20dkim1 selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/20dkim1?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_BbHO521LebAupfoc7nZL9","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 the DKIM public key for the '20dkim1' selector of a given domain and parses key metadata including type, length, testing flag, and revocation status.","exampleAgentPrompt":"Can you check if the DKIM selector '20dkim1' is properly set up for example.com — I want to know the key type, length, and whether it's active or revoked?","exampleUseCases":[{"title":"Email deliverability audit","prompt":"I need to verify that our domain acme.com has a valid and non-revoked DKIM key for the selector 20dkim1 before we start sending our marketing campaign — can you check if the key is set up correctly?"},{"title":"Security review of DKIM configuration","prompt":"Can you inspect the DKIM record for selector 20dkim1 on newco.io and tell me the key type and bit length? I want to make sure we're not using a weak RSA key."},{"title":"Diagnosing email authentication failures","prompt":"Emails from ourcompany.net are failing DKIM verification — can you look up the 20dkim1 selector DNS record and tell me if the key is revoked or marked as testing-only?"}],"resultDescription":"Returns parsed details from the 20dkim1._domainkey.<domain> TXT DNS record, including the DKIM version (v=), key type (k=), public key data, key bit length, whether the key is in testing mode, and whether the key is revoked (empty p= field). Also confirms whether mail signed with the 20dkim1 selector will pass DKIM verification.","failureModes":["DNS record not found for 20dkim1._domainkey.<domain> — selector not published","Domain does not exist — NXDOMAIN response","DKIM record found but key is revoked (empty p= field)","Malformed TXT record that cannot be parsed","Network or DoH resolver error","Missing or invalid domain input parameter"],"whenToPreferThis":"Use this endpoint when you specifically need to validate the '20dkim1' DKIM selector for a domain, as opposed to generic DKIM checkers. It is ideal for automated email authentication audits, pre-send deliverability checks, security reviews, and diagnosing DKIM failures where the selector in use is known to be 20dkim1. It provides parsed, structured output rather than raw DNS records.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:19.932Z","isFirstParty":false,"canonicalSlug":"dkim-selector-20dkim1-lookup-d5e45467"}