{"uid":"cap_PsXgZQr8Ebm4-h2GxaD8K","slug":"dns-caa-via-mullvad-71b365a8","name":"dns-caa-via-mullvad","description":"CAA records for a domain as answered by Mullvad DNS (DNS over HTTPS): the records, TTL, response code (NOERROR/NXDOMAIN/SERVFAIL), whether the resolver validated DNSSEC, and the resolver's answer time. Compare resolvers to spot propagation lag, filtering or split-horizon answers. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/caa/via/mullvad?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_-6llHyAE2TCvfbv3GDbRU","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":"Looks up CAA DNS records for a domain using Mullvad's DNS-over-HTTPS resolver, returning records, TTL, response code, DNSSEC validation status, and answer time.","exampleAgentPrompt":"What CAA records does Mullvad's DNS resolver return for example.com, and does it validate DNSSEC for that response?","exampleUseCases":[{"title":"Detect CAA filtering by privacy resolver","prompt":"Check what CAA records Mullvad DNS returns for stripe.com — I want to know if Mullvad is filtering or modifying the answer compared to a standard resolver."},{"title":"Verify certificate authority policy propagation","prompt":"My CA is having trouble issuing a cert for mybusiness.io — can you pull the CAA records as seen by Mullvad's DNS over HTTPS and tell me the response code and what authorities are listed?"},{"title":"Audit DNSSEC validation on CAA records","prompt":"Look up the CAA records for cloudflare.com through Mullvad DNS and tell me whether the resolver validated DNSSEC and how fast it answered."}],"resultDescription":"Returns the CAA record set for the queried domain as seen by Mullvad's DoH resolver, including the individual CAA records (tag/value pairs), TTL, DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), whether DNSSEC was validated, and the resolver's answer time in milliseconds.","failureModes":["NXDOMAIN if the domain does not exist or has no CAA records","SERVFAIL if Mullvad's resolver cannot reach authoritative servers or DNSSEC validation fails","Network timeout if the DoH endpoint is unreachable","Empty record set if no CAA records are published for the domain (distinct from NXDOMAIN)"],"whenToPreferThis":"Choose this endpoint when you specifically need to see how Mullvad's privacy-focused DNS-over-HTTPS resolver answers CAA queries — particularly useful for comparing resolver behavior, detecting filtering or split-horizon DNS, auditing DNSSEC validation, or checking propagation lag relative to other resolvers like Cloudflare or Google.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:55:35.580Z","isFirstParty":false,"canonicalSlug":"dns-caa-via-mullvad-71b365a8"}