{"uid":"cap_dX-RGTcp3YOIZPszwt-Qb","slug":"dns-sshfp-via-dnssb-dc0cc806","name":"dns-sshfp-via-dnssb","description":"SSHFP records for a domain as answered by DNS.SB (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. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/sshfp/via/dnssb?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Xcj_X048nxI6yn0eKnsiB","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 SSHFP DNS records for a domain using DNS.SB as the DoH resolver, returning records, TTL, response code, DNSSEC validation status, and answer latency.","exampleAgentPrompt":"Look up the SSHFP records for example.com using the DNS.SB resolver and tell me the response code, TTL, whether DNSSEC was validated, and how long the resolver took to answer.","exampleUseCases":[{"title":"Verify SSHFP propagation via DNS.SB","prompt":"Has my newly published SSHFP record for ssh.mycompany.com propagated to the DNS.SB resolver yet? Show me the records, TTL, and response code."},{"title":"Detect resolver filtering of SSHFP","prompt":"I want to know if DNS.SB is filtering or suppressing SSHFP records for openssh.example.org — can you query it and show me what they return, including any SERVFAIL or NXDOMAIN?"},{"title":"Compare SSHFP resolver latency","prompt":"Query SSHFP records for secure.mysite.net through DNS.SB and tell me the answer time so I can compare it against other resolvers for propagation lag."}],"resultDescription":"Returns the SSHFP DNS records for the queried domain as answered by DNS.SB, including the record data (algorithm, fingerprint type, fingerprint), TTL, DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), a flag indicating whether DNSSEC was validated by the resolver, and the resolver's answer latency in milliseconds.","failureModes":["Domain does not exist — returns NXDOMAIN response code with no records","DNS.SB resolver fails to answer — returns SERVFAIL response code","Domain has no SSHFP records published — returns NOERROR with empty answer section","Network timeout reaching DNS.SB DoH endpoint — request may error out","DNSSEC validation failure — resolver may return SERVFAIL with AD flag unset"],"whenToPreferThis":"Use this endpoint when you specifically need to see how the DNS.SB resolver answers SSHFP queries — particularly useful for multi-resolver comparison to detect propagation lag, split-horizon DNS, or resolver-specific filtering. Prefer this over generic SSHFP lookups when DNS.SB's perspective is the variable being tested alongside sibling endpoints (e.g. Google, Cloudflare, OpenDNS variants).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:56:09.261Z","isFirstParty":false,"canonicalSlug":"dns-sshfp-via-dnssb-dc0cc806"}