{"uid":"cap_OzG4JpeJ_zmnvYvm8fwc9","slug":"sitecheck-web-intel-dns-caa-records-lookup-54d84d3c","name":"SiteCheck Web Intel - DNS CAA Records Lookup","description":"Lists the CAA (Certification Authority Authorization) records published on a domain: which CAs may issue certificates (issue), wildcard certificates (issuewild) and the incident-report address (iodef). Shows the records on the exact name only; CAA is inherited from parent domains when a name has none, which this tool does not walk.","url":"https://api.webintel-api.workers.dev/api/security/dns-caa-records?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","required":["domain"],"properties":{"domain":{"type":"string","description":"Domain name such as google.com (required)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"domain":"google.com","hasCaa":true,"source":"https://dns.adguard-dns.com/resolve","records":[{"tag":"issue","flags":0,"value":"pki.goog"}],"checkedAt":"2026-10-23T09:38:38.582Z","wildcardIssuers":[],"authorizedIssuers":["pki.goog"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FWtBNZdOt3YY6vnrkWs3V","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves CAA (Certification Authority Authorization) DNS records for a domain, showing which CAs are authorized to issue standard and wildcard certificates and the incident-report address.","exampleAgentPrompt":"Can you look up the CAA records for stripe.com and tell me which certificate authorities are authorized to issue SSL certificates for it?","exampleUseCases":[{"title":"Audit CA authorization before certificate issuance","prompt":"Check the CAA records for mybusiness.com — I need to know if Let's Encrypt is authorized to issue certificates there before I kick off the renewal process."},{"title":"Security review of competitor domain config","prompt":"Pull the CAA DNS records for shopify.com so I can see which certificate authorities they've authorized and whether wildcard certs are allowed."},{"title":"Detect misconfigured or missing CAA policy","prompt":"Look up the CAA records for api.acmecorp.io — I want to verify they've actually published a CAA policy and see the iodef incident-report address they've set."}],"resultDescription":"Returns a JSON object with the queried domain, a boolean indicating whether CAA records exist, the list of CAA records (each with tag, flags, and value), arrays of authorized standard and wildcard certificate issuers, and a timestamp. Source resolver URL is also included.","failureModes":["Domain has no CAA records — hasCaa returns false with empty records array","Invalid or malformed domain name returns an error","Domain does not exist in DNS — empty or error response","CAA records exist only on parent domain — tool does not walk up the tree, so result may appear empty","Network or resolver timeout from AdGuard DNS"],"whenToPreferThis":"Use this endpoint when you specifically need CAA record data for a domain to audit certificate authority authorization policy. Prefer this over a general DNS lookup endpoint when you want structured, pre-parsed CAA output with clearly separated authorized issuers and wildcard issuers. Note that it only checks records on the exact domain name provided, not inherited records from parent zones — factor this in for subdomains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:45:25.417Z","isFirstParty":false,"canonicalSlug":"sitecheck-web-intel-dns-caa-records-lookup-54d84d3c"}