{"uid":"cap_dlVQEQYLDT85JZ4dzUtmx","slug":"dkim-apollo-selector-lookup-25557f2e","name":"DKIM Apollo Selector Lookup","description":"DKIM public key for selector \"apollo\" of a domain: looks up apollo._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 apollo selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/apollo?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_73Nh9BIQpId1atMUSowFU","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 'apollo' selector of a given domain, verifying key type, length, testing status, and revocation.","exampleAgentPrompt":"Can you check the DKIM apollo selector for example.com — I want to know if the key is valid, what type and length it is, and whether it's been revoked or is in testing mode?","exampleUseCases":[{"title":"Email deliverability audit for new domain","prompt":"I just set up email sending for mycompany.com and I need to confirm the apollo DKIM selector is properly published and the key isn't revoked — can you check it?"},{"title":"Security review of DKIM key strength","prompt":"Can you look up the apollo DKIM selector for newsletter.acmecorp.com and tell me the key type and length so I can verify we're using at least 2048-bit RSA?"},{"title":"Debugging DKIM verification failures","prompt":"Emails from clientdomain.io signed with the apollo selector are failing DKIM checks — can you pull the apollo._domainkey TXT record and tell me if the key is empty, in testing mode, or otherwise misconfigured?"}],"resultDescription":"Returns parsed details from the apollo._domainkey.<domain> TXT record including: the DKIM version tag (v=), key type (k=), public key length in bits, whether the key is in testing mode, whether the key is revoked (empty p= field), and confirmation of whether mail signed with the apollo selector will verify successfully.","failureModes":["Domain does not have an apollo._domainkey TXT record — returns not-found or empty result","DNS resolution failure via Cloudflare DoH — returns a network or timeout error","Malformed TXT record that cannot be parsed — may return partial data or a parsing error","Revoked key (empty p= field) detected — returns revoked status rather than key details","Rate limiting or payment failure at $0.01 per call — returns 402 or payment-required error"],"whenToPreferThis":"Choose this endpoint when you specifically need to inspect the 'apollo' DKIM selector, which is commonly used by certain email service providers. Use it over generic DNS TXT lookup endpoints because it automatically parses all DKIM-specific fields (v=, k=, key length, testing flag, revocation) rather than returning raw TXT data. Prefer it for email authentication audits, deliverability diagnostics, or security reviews targeting the apollo selector specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T08:52:38.045Z","isFirstParty":false,"canonicalSlug":"dkim-apollo-selector-lookup-25557f2e"}