{"uid":"cap_UcR4CIqxRL8jHz4ciBYOj","slug":"pennyrail-dns-cname-lookup-35a0620b","name":"PennyRail DNS CNAME Lookup","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/dns.records--cname-lookup","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KFdnEhszDC29RflSBuyDi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a DNS CNAME record lookup for a given domain name and returns the canonical name chain","exampleAgentPrompt":"Can you look up the CNAME record for api.example.com and tell me what canonical name it resolves to?","exampleUseCases":[{"title":"Verify CDN CNAME configuration","prompt":"Check the CNAME record for static.mybrand.com — I need to confirm it's still pointing to our Cloudflare CDN endpoint."},{"title":"Debug subdomain routing issue","prompt":"Can you look up the CNAME for mail.acmecorp.io? I'm trying to figure out why our email subdomain isn't resolving correctly."},{"title":"Audit third-party service integrations","prompt":"Resolve the CNAME for tracking.shopsite.com — I want to see which analytics provider that subdomain is aliased to."}],"resultDescription":"Returns the DNS CNAME record response for the queried domain, including the canonical name (alias target) and potentially the full CNAME chain, formatted as a JSON object.","failureModes":["Domain has no CNAME record (returns empty or null result)","Invalid or malformed hostname input causes a query error","DNS resolution timeout if upstream nameservers are slow","Non-existent domain (NXDOMAIN) returns an error or empty response","Payment failure via x402 protocol prevents request from being processed"],"whenToPreferThis":"Use this endpoint when you need a quick, paid-API DNS CNAME resolution without managing your own DNS resolver infrastructure. Prefer this over general-purpose DNS APIs when you are already operating within the PennyRail/x402 micropayment ecosystem and want per-call billing at $0.001 USDC. Useful for agents that need on-demand DNS lookups as part of domain validation or infrastructure auditing workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:44:35.501Z","isFirstParty":false}