{"uid":"cap_TcV613JMjIdcRq91YjlYv","slug":"is-dns-hosted-by-cloudflare-f13d0403","name":"is-dns-hosted-by-cloudflare","description":"Is the domain's DNS hosted by cloudflare? Looks up the NS records (Cloudflare DoH) and matches them against cloudflare's nameserver patterns, returning yes/no, the nameservers and which ones matched. Vendor detection for sales, migration and security work. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/hosted-by/cloudflare?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_4zctFu0uY3lhQmMSvM1T6","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":"Checks whether a domain's DNS is hosted by Cloudflare by looking up its NS records and matching them against known Cloudflare nameserver patterns.","exampleAgentPrompt":"Can you check if example.com has its DNS hosted by Cloudflare — I want to know the nameservers and whether any of them match Cloudflare's patterns?","exampleUseCases":[{"title":"Sales prospecting for Cloudflare alternatives","prompt":"I'm building a list of prospects for our DNS migration service — can you check if acmecorp.com is currently hosting its DNS with Cloudflare so I know whether to pitch them on switching?"},{"title":"Security audit vendor detection","prompt":"As part of our security review, can you tell me if paymentportal.io is using Cloudflare for its DNS? I need to know the nameservers and which ones matched Cloudflare's patterns."},{"title":"Migration readiness check","prompt":"We're planning to migrate our client's infrastructure away from Cloudflare — can you confirm whether clientdomain.net actually has its DNS hosted by Cloudflare and show me the nameservers involved?"}],"resultDescription":"Returns a yes/no indicator of whether the domain's DNS is hosted by Cloudflare, the full list of NS records retrieved via Cloudflare DoH, and which specific nameservers matched known Cloudflare nameserver patterns.","failureModes":["Domain does not exist or has no NS records — returns no match with empty nameserver list","Network or DoH resolver error — lookup may fail or time out","Domain uses private or non-standard nameservers that partially resemble Cloudflare patterns — may produce false negatives","Invalid or malformed domain name input — returns error","Cloudflare's nameserver patterns change over time — detection may become stale"],"whenToPreferThis":"Choose this endpoint when you need a fast, single-domain check specifically for Cloudflare DNS hosting with pattern-matched NS record analysis. Ideal for sales intelligence, security audits, and migration planning workflows where Cloudflare vendor detection is the specific goal. Prefer over generic DNS lookup tools when you need the Cloudflare yes/no answer and matched nameserver details in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T18:42:58.366Z","isFirstParty":false,"canonicalSlug":"is-dns-hosted-by-cloudflare-f13d0403"}