{"uid":"cap_vfCNzINP1a5gWmYBr3vMr","slug":"agentshelf-dns-txt-adsp-lookup-558af7e3","name":"AgentShelf DNS TXT ADSP Lookup","description":"Call when an agent needs TXT at _adsp._domainkey. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-adsp first.","url":"https://agentshelf.syntexa.ch/v1/dns-txt-adsp?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":"0.007","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":"$0.007/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3zYBIC0nJCYbhH0Jn-q5k","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.007","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves the DNS TXT record at _adsp._domainkey for a given hostname to check Author Domain Signing Practices (ADSP) policy.","exampleAgentPrompt":"What's the _adsp._domainkey DNS TXT record for example.com? I need to check its Author Domain Signing Practices policy.","exampleUseCases":[{"title":"Email sender ADSP policy audit","prompt":"Can you check the ADSP DNS TXT record at _adsp._domainkey for mailchimp.com? I want to know what Author Domain Signing Practices policy they have configured."},{"title":"DKIM compliance verification","prompt":"Look up the _adsp._domainkey TXT record for stripe.com — I need to confirm whether they've published an ADSP policy for their sending domain."},{"title":"Domain security posture check","prompt":"Fetch the ADSP record for newsletter.acme.org so I can see what their _adsp._domainkey TXT entry says before we whitelist their emails."}],"resultDescription":"Returns the content of the DNS TXT record published at _adsp._domainkey.<hostname>, representing the domain's Author Domain Signing Practices (ADSP) policy, such as 'dkim=all', 'dkim=discardable', or 'dkim=unknown', or an indication that no record exists.","failureModes":["No ADSP record exists at _adsp._domainkey for the given hostname — returns empty or not-found response","Invalid or malformed hostname input — returns validation error","DNS resolution timeout or upstream DNS failure — returns error","Hostname exceeds 253 character limit — schema validation error","Payment not provided or insufficient — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you specifically need to retrieve the ADSP (_adsp._domainkey) DNS TXT record for a domain as part of email authentication auditing, DKIM compliance checking, or domain security analysis. Prefer this over general DNS lookup tools when you need a focused, paid, reliable lookup of this specific record type without setting up DNS resolution infrastructure yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:50:14.085Z","isFirstParty":false,"canonicalSlug":"agentshelf-dns-txt-adsp-lookup-558af7e3"}