{"uid":"cap_63m1KzuZvlNhnBpKx7UNM","slug":"dns-cname-lookup-via-cleanbrowsing-security-filter-doh-8650a58f","name":"DNS CNAME Lookup via CleanBrowsing (Security Filter, DoH)","description":"CNAME records for a domain as answered by CleanBrowsing (security filter) (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. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/cname/via/cleanbrowsing?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_gSfd1ZTK13UTKNB57u465","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":"Resolves CNAME records for a domain using CleanBrowsing's security-filtered DNS over HTTPS resolver, returning the records, TTL, response code, DNSSEC validation status, and answer latency.","exampleAgentPrompt":"What CNAME records does CleanBrowsing return for example.com — I want to see the records, TTL, response code, and whether DNSSEC was validated?","exampleUseCases":[{"title":"Detect CNAME filtering by security resolver","prompt":"Check what CNAME records CleanBrowsing returns for tracking.example.com — I want to know if they're blocking or redirecting it compared to the real answer."},{"title":"Compare DNS propagation across resolvers","prompt":"I just updated the CNAME for cdn.mysite.com — can you check what CleanBrowsing resolves it to right now so I can compare it against other resolvers to see if propagation has reached them?"},{"title":"Audit DNSSEC validation on CNAME records","prompt":"Look up the CNAME records for mail.example.org via CleanBrowsing and tell me whether the resolver validated DNSSEC and how fast it answered."}],"resultDescription":"Returns the CNAME records (if any) for the queried domain as answered by the CleanBrowsing security-filter DNS resolver, along with each record's TTL, the DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), a boolean indicating whether DNSSEC was validated, and the resolver's answer latency in milliseconds.","failureModes":["Domain does not exist — returns NXDOMAIN response code","Domain has no CNAME records — empty record set with NOERROR","CleanBrowsing security filter blocks the domain — may return a filtered/synthetic response instead of the true CNAME","SERVFAIL if the upstream zone is unreachable or misconfigured","Network timeout to CleanBrowsing resolver resulting in no response"],"whenToPreferThis":"Choose this endpoint when you specifically need to see how CleanBrowsing's security-filtering DNS resolver answers CNAME queries — useful for detecting filtering, security-based interception, or comparing resolver-specific answers. Prefer it over generic CNAME lookup tools when security-filter behavior or multi-resolver propagation comparison is the goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:44:45.920Z","isFirstParty":false,"canonicalSlug":"dns-cname-lookup-via-cleanbrowsing-security-filter-doh-8650a58f"}