{"uid":"cap_uRF0QRMEQgbCfjs5B2LBp","slug":"dns-aaaa-db-subdomain-1b6a8e38","name":"dns-aaaa-db-subdomain","description":"AAAA record of db.<domain>: looks up the db host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like db without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/db/aaaa?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_n1II0LqHQC09kxzpP9OA2","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":"Looks up the AAAA (IPv6) DNS record for the 'db' subdomain of a given domain via Cloudflare DoH and reports its existence, records, and TTL.","exampleAgentPrompt":"Can you check whether db.example.com has an IPv6 AAAA DNS record — I want to know if it exists, what the address is, and what the TTL is?","exampleUseCases":[{"title":"Pre-deployment IPv6 connectivity check","prompt":"Before I deploy my app, can you check if db.mycompany.com has an AAAA record so I know whether the database host is reachable over IPv6?"},{"title":"Third-party domain infrastructure audit","prompt":"I'm vetting a vendor — can you check if db.theircompany.com resolves via IPv6? I want to see the AAAA record and TTL if it exists."},{"title":"DNS misconfiguration diagnosis","prompt":"We're having IPv6 connectivity issues — can you look up the AAAA DNS record for db.ourdomain.net and tell me exactly what's there, including the TTL?"}],"resultDescription":"Returns whether the AAAA record for db.<domain> exists, the IPv6 address(es) in the record, and the TTL value — all retrieved via Cloudflare DNS over HTTPS.","failureModes":["Domain does not exist — returns no records found","db subdomain has no AAAA record (only A record) — returns empty result","Invalid or malformed domain input — may return error or empty response","Cloudflare DoH upstream timeout — service may return an error","Rate limiting or payment failure — request rejected with 402"],"whenToPreferThis":"Use this endpoint when you need a targeted, fast IPv6 DNS check specifically for the 'db' subdomain of a domain, without enumerating all subdomains. Ideal for infrastructure audits, pre-deployment validation, or vendor due diligence when you know you care specifically about the database host's IPv6 presence.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T19:01:36.838Z","isFirstParty":false,"canonicalSlug":"dns-aaaa-db-subdomain-1b6a8e38"}