{"uid":"cap_sOjzdtAZPj_8N2xzmmxH-","slug":"dns-cname-via-adguard-582f695e","name":"dns-cname-via-adguard","description":"CNAME records for a domain as answered by AdGuard 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. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/cname/via/adguard?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_cEuhCJZ0uaeqfxf3lTeOC","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":"Retrieves CNAME DNS records for a domain as answered by AdGuard DNS over HTTPS, including TTL, response code, DNSSEC validation status, and resolver answer time.","exampleAgentPrompt":"What CNAME records does AdGuard DNS return for example.com — include the TTL, response code, whether DNSSEC was validated, and how fast AdGuard answered?","exampleUseCases":[{"title":"Diagnosing CNAME filtering by AdGuard","prompt":"Check if AdGuard DNS is filtering or blocking the CNAME for tracking.example.com — tell me the response code it returns and whether it differs from what a normal resolver would give."},{"title":"Verifying CNAME propagation after DNS update","prompt":"I just updated the CNAME record for shop.mybrand.com — can you query AdGuard DNS right now and tell me if they're already returning the new target, along with the TTL and answer time?"},{"title":"Comparing resolver answers for split-horizon detection","prompt":"Look up the CNAME record for internal.acme.com via AdGuard DNS and tell me the response code and record value — I want to see if AdGuard gives a different answer than other resolvers for the same domain."}],"resultDescription":"Returns the CNAME record set for the queried domain as answered by AdGuard DNS over HTTPS, including: the actual CNAME target records, TTL value, DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), whether the resolver performed DNSSEC validation, and the resolver's answer latency in milliseconds.","failureModes":["Domain does not exist — AdGuard returns NXDOMAIN with no CNAME records","Domain has no CNAME record — response may be NOERROR with empty answer section","AdGuard DNS is temporarily unavailable — SERVFAIL response code returned","Network timeout reaching AdGuard DoH endpoint — resolver latency field may be absent","Invalid or malformed domain input — request may fail with a client-side error","AdGuard actively filters the domain — returns NXDOMAIN even if domain exists globally"],"whenToPreferThis":"Choose this endpoint when you specifically need to know how AdGuard DNS resolves a domain's CNAME records — particularly useful for detecting AdGuard's ad/tracker filtering behavior, checking DNSSEC validation status, comparing resolver-specific propagation lag, or diagnosing split-horizon DNS scenarios where AdGuard may return different answers than other public resolvers like Google or Cloudflare.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:48.656Z","isFirstParty":false,"canonicalSlug":"dns-cname-via-adguard-582f695e"}