{"uid":"cap_LlkObi7oLGsi2_KjasGMh","slug":"dns-svcb-via-mullvad-4f8a3f19","name":"dns-svcb-via-mullvad","description":"SVCB 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. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/svcb/via/mullvad?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_xnDTlSOb2JAK8FuYmg-RM","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 SVCB DNS records for a domain as answered by Mullvad's DNS over HTTPS resolver, including TTL, response code, DNSSEC validation status, and answer latency.","exampleAgentPrompt":"Look up the SVCB DNS records for example.com using Mullvad's DNS resolver and tell me what records come back, whether DNSSEC was validated, and how fast the response was.","exampleUseCases":[{"title":"Detect Mullvad DNS filtering of SVCB","prompt":"Check the SVCB records for cloudflare.com through Mullvad DNS — I want to know if Mullvad is blocking or altering any SVCB answers compared to what I'd expect."},{"title":"Verify SVCB propagation via Mullvad","prompt":"Has my new SVCB record for api.myservice.io propagated to Mullvad's DNS yet? Can you query it and tell me the TTL and response code?"},{"title":"Compare DNSSEC validation on SVCB lookup","prompt":"Query SVCB records for protonmail.com through Mullvad DNS and let me know whether Mullvad validated DNSSEC and what the answer latency was."}],"resultDescription":"Returns the SVCB DNS records for the queried domain as resolved by Mullvad DoH, including the record values, TTL, response code (NOERROR, NXDOMAIN, or SERVFAIL), a flag indicating whether DNSSEC was validated, and the resolver's answer time in milliseconds.","failureModes":["Domain not found returns NXDOMAIN response code","Resolver failure returns SERVFAIL response code","No SVCB records exist for domain returns empty record set with NOERROR","Mullvad DNS may filter certain domains, returning NXDOMAIN even when records exist elsewhere","Network timeout results in no response or error"],"whenToPreferThis":"Choose this endpoint when you specifically need to see how Mullvad's privacy-focused DoH resolver answers SVCB queries — useful for comparing resolver behavior, detecting filtering, checking DNSSEC enforcement, or diagnosing propagation lag specific to Mullvad's infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T19:01:47.149Z","isFirstParty":false,"canonicalSlug":"dns-svcb-via-mullvad-4f8a3f19"}