{"uid":"cap_q5uzU2Z8mmX4fSLZpKUFe","slug":"dkim-selector1-txt-record-lookup-5a042b20","name":"DKIM Selector1 TXT Record Lookup","description":"Call when an agent needs TXT at selector1._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-selector1 first.","url":"https://agentshelf.syntexa.ch/v1/dns-txt-dkim-selector1?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"hostname":{"type":"string","examples":["example.com"],"maxLength":253,"minLength":1,"description":"Public DNS hostname such as example.com. Not a URL, not an IP literal, and not a private name."}}},"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_pU8Hj3cErQvIQJcnI993I","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":"Fetches the DKIM TXT record at selector1._domainkey.{hostname} via DNS lookup","exampleAgentPrompt":"Can you fetch the DKIM TXT record at selector1._domainkey for the domain example.com?","exampleUseCases":[{"title":"Email deliverability audit","prompt":"Check whether example.com has a valid DKIM TXT record published at selector1._domainkey — I need to confirm our DKIM signing key is live in DNS."},{"title":"Third-party domain onboarding check","prompt":"I'm onboarding a new sender domain, acme-corp.com — can you pull the selector1 DKIM TXT record to verify they've published their public key correctly?"},{"title":"Security investigation of a suspicious sender","prompt":"I got a suspicious email allegedly from notifications.bigbank.com — can you look up the DKIM TXT record at selector1._domainkey.notifications.bigbank.com to see what public key they're publishing?"}],"resultDescription":"Returns the raw TXT record string found at selector1._domainkey.{hostname} in DNS, typically containing a DKIM public key entry (e.g. v=DKIM1; k=rsa; p=MIIBIjAN...). Returns an error or empty result if no record exists.","failureModes":["Hostname does not have a selector1 DKIM TXT record published — returns empty or not-found response","Invalid or malformed hostname input causes validation error","DNS resolution timeout or upstream failure","Private/reserved hostnames may be rejected","Hostname exceeds 253-character limit"],"whenToPreferThis":"Use this endpoint when you specifically need to resolve the selector1 DKIM TXT record for a given domain, for purposes such as email authentication validation, deliverability auditing, or security investigation. It is purpose-built for the selector1._domainkey subdomain lookup; for other selectors (e.g. selector2, google, mail), a different DNS TXT endpoint would be needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:47:58.092Z","isFirstParty":false,"canonicalSlug":"dkim-selector1-txt-record-lookup-5a042b20"}