{"uid":"cap_zH-pa37Dfnr6mo8csIvwQ","slug":"dns-soa-via-dnssb-28bc92e1","name":"dns-soa-via-dnssb","description":"SOA 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. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/soa/via/dnssb?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_l2Itg7BZT7sECKMIFMBme","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 SOA (Start of Authority) DNS records for a domain as answered by the DNS.SB resolver via DNS over HTTPS, including TTL, response code, DNSSEC validation status, and resolver latency.","exampleAgentPrompt":"Can you check what SOA record DNS.SB returns for example.com, and tell me the TTL, response code, whether DNSSEC was validated, and how fast the resolver answered?","exampleUseCases":[{"title":"DNS propagation lag detection","prompt":"I just updated the SOA serial for mydomain.com — can you query it via DNS.SB and tell me the current SOA record, TTL, and response code so I can check if the change has propagated?"},{"title":"Multi-resolver split-horizon comparison","prompt":"I want to compare how different resolvers see my domain's SOA record. Can you check what DNS.SB returns for the SOA of acmecorp.net, including DNSSEC validation status and answer time?"},{"title":"DNSSEC validation verification","prompt":"Can you verify whether DNS.SB validates DNSSEC when resolving the SOA record for securedomain.org, and what response code and TTL it returns?"}],"resultDescription":"Returns the SOA record(s) for the queried domain as seen by the DNS.SB DoH resolver, including the record data (MNAME, RNAME, serial, refresh, retry, expire, minimum TTL), the TTL of the answer, the DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), a flag indicating whether DNSSEC was validated by the resolver, and the resolver's answer time in milliseconds.","failureModes":["NXDOMAIN returned if the domain does not exist","SERVFAIL returned if the domain has DNS misconfiguration or DNS.SB cannot reach authoritative servers","No SOA record in answer if the domain has no SOA (unlikely for valid domains)","Network timeout if DNS.SB resolver is temporarily unreachable","Empty record set for non-existent or filtered domains"],"whenToPreferThis":"Choose this endpoint when you specifically need to see how the DNS.SB resolver answers SOA queries — useful for comparing resolver behavior, detecting propagation lag, checking DNSSEC validation support, spotting split-horizon DNS configurations, or auditing resolver filtering. Use alongside sibling endpoints (e.g. dns-soa-via-nextdns) to compare across resolvers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:46:54.184Z","isFirstParty":false,"canonicalSlug":"dns-soa-via-dnssb-28bc92e1"}