{"uid":"cap_KintWL2M4Hecu34o7Dvyq","slug":"agentshelf-dkim-s2-selector-dns-txt-lookup-0f11e476","name":"AgentShelf DKIM S2 Selector DNS TXT Lookup","description":"Call when an agent needs TXT at s2._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-s2 first.","url":"https://agentshelf.syntexa.ch/v1/dns-txt-dkim-s2?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":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Xm4ircAwRGJa7yZe12_Yc","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves the DKIM TXT record for the s2 selector at the given hostname (i.e., s2._domainkey.{hostname})","exampleAgentPrompt":"Can you look up the DKIM TXT record for the s2 selector on the domain example.com?","exampleUseCases":[{"title":"Verify DKIM email signing setup","prompt":"Check whether the s2 DKIM selector is properly configured for mailgun.com — I need the TXT record from s2._domainkey.mailgun.com."},{"title":"Email deliverability audit","prompt":"I'm auditing email authentication for acme.com. Can you fetch the DKIM TXT record for the s2 selector so I can see the public key being published?"},{"title":"Debug DKIM selector mismatch","prompt":"Emails from newsletter.example.org are failing DKIM checks with the s2 selector — can you pull the current TXT record at s2._domainkey.newsletter.example.org so I can compare it to what's configured?"}],"resultDescription":"Returns the DNS TXT record value published at s2._domainkey.{hostname}, typically containing the DKIM public key and policy fields (v=DKIM1; k=rsa; p=...).","failureModes":["Hostname does not exist in DNS — NXDOMAIN or empty response","No TXT record at s2._domainkey.{hostname} — DKIM selector not configured","Invalid or malformed hostname input","DNS resolution timeout or transient network error","Payment failure via x402 protocol"],"whenToPreferThis":"Use this endpoint specifically when you need to retrieve the DKIM TXT record for the 's2' selector. If you need a different selector (e.g., s1, google, default), this endpoint will not be correct — each selector is a distinct DNS name. Prefer the free sandbox variant (/v1/sandbox/dns-txt-dkim-s2) for testing before paying.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:49:32.320Z","isFirstParty":false,"canonicalSlug":"agentshelf-dkim-s2-selector-dns-txt-lookup-0f11e476"}