{"uid":"cap_KhjEEw10J7fiZS7gO6YJj","slug":"is-dns-hosted-by-ultradns-bulk-a7a5fb7b","name":"is-dns-hosted-by-ultradns-bulk","description":"Bulk is dns hosted by ultradns: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","url":"https://dns.intel.rallylive.ca/bulk/dns/hosted-by/ultradns?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hhCp5KYcvCuw_kU2BbMng","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks up to 20 domains in one call to determine whether each is DNS-hosted by UltraDNS, returning results in input order with per-item error fields and a failure count.","exampleAgentPrompt":"Can you check this list of domains — acme.com, globex.io, initech.net, and 8 others I'll paste — and tell me which ones are DNS-hosted by UltraDNS? Run them all at once and show me which ones pass, which fail, and if any had errors.","exampleUseCases":[{"title":"DNS provider audit across domain portfolio","prompt":"I have a list of 15 client domains and need to know which ones are currently using UltraDNS as their DNS host — can you run them all through the UltraDNS check at once and give me a breakdown?"},{"title":"Vendor migration impact assessment","prompt":"Before we migrate DNS, I need to confirm which of these 20 domains are actually on UltraDNS right now — check them all in one go and flag any that errored out."},{"title":"Security intelligence enrichment for domain list","prompt":"I've got a batch of 12 domains from our threat feed and want to know if any of them are DNS-hosted by UltraDNS — run the bulk check and tell me the results with a failure count."}],"resultDescription":"An ordered array of per-domain results matching the input order, each containing the UltraDNS hosting verdict (same as the single-domain endpoint), a per-item error field if the lookup failed, and an overall failure count for the batch.","failureModes":["Batch exceeds 20 domains — request rejected or truncated","Individual domain lookup fails — captured in per-item error field and counted in failure total","Invalid domain format in input — per-item error returned","Network or upstream DNS resolution failure for one or more items — reflected in per-item errors","Empty input list — likely returns empty results or validation error"],"whenToPreferThis":"Choose this endpoint when you have 2–20 domains to check simultaneously for UltraDNS hosting, avoiding the overhead of multiple sequential single-domain calls. Ideal for portfolio audits, migration planning, or threat-intelligence enrichment workflows where a list of domains is already available. Use the single-domain endpoint instead when you only need to check one domain at a time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:51:16.161Z","isFirstParty":false,"canonicalSlug":"is-dns-hosted-by-ultradns-bulk-a7a5fb7b"}