{"uid":"cap_UtF9MDOJD8CEEXZC8zTJS","slug":"dkim-yahoo-selector-lookup-7963ebc3","name":"DKIM Yahoo Selector Lookup","description":"DKIM public key for selector \"yahoo\" of a domain: looks up yahoo._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 yahoo selector will verify. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/dkim/yahoo?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_z_9wlyZ7B4eXKWeBrKMdD","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 'yahoo' selector of a given domain via Cloudflare DoH, returning key metadata and validity status.","exampleAgentPrompt":"Can you check whether example.com has a valid DKIM key configured for the yahoo selector — I want to know the key type, length, and whether it's revoked or in testing mode.","exampleUseCases":[{"title":"Pre-send email authentication audit","prompt":"Before we start sending marketing emails from acmecorp.com through Yahoo's infrastructure, can you check if the yahoo DKIM selector is properly set up — I need to know the key type, length, and whether it's active or revoked?"},{"title":"Email deliverability troubleshooting","prompt":"Emails from newsletter.io signed with the yahoo selector keep bouncing — can you look up the yahoo DKIM record for newsletter.io and tell me if the key is valid, what type it is, and whether it might be revoked?"},{"title":"Third-party domain DKIM verification","prompt":"We're onboarding a new partner domain partnerco.com that claims to have Yahoo DKIM configured — can you verify their yahoo selector DKIM record and tell me if the public key looks correct and isn't in testing mode?"}],"resultDescription":"Returns parsed DKIM record details for the yahoo._domainkey.<domain> TXT record, including: DKIM version (v=), key type (k=, e.g. rsa), public key length in bits, whether the testing flag (t=y) is present, and whether the key is revoked (empty p= field). Also confirms if mail signed with the yahoo selector will successfully verify.","failureModes":["Domain has no yahoo._domainkey TXT record — returns not found or empty result","DNS lookup failure via Cloudflare DoH — network or upstream error","Malformed TXT record that cannot be parsed — partial or error response","Revoked key detected (empty p=) — returns revoked status","Payment not received — 402 response before lookup is performed"],"whenToPreferThis":"Use this endpoint when you specifically need to verify the 'yahoo' DKIM selector for a domain, as opposed to other common selectors (microsoft, mx, ms2). Ideal for auditing email authentication configurations for domains that send via Yahoo Mail infrastructure or use Yahoo-branded DKIM selectors. Choose this over generic DNS TXT lookups when you want pre-parsed DKIM field extraction (key type, length, revocation, testing flag) rather than raw DNS output.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:15.331Z","isFirstParty":false,"canonicalSlug":"dkim-yahoo-selector-lookup-7963ebc3"}