{"uid":"cap_MqYIy7WZa7ZXL5X8jEpwJ","slug":"is-dns-hosted-by-cloudflare-registrar-84ffd32c","name":"Is DNS Hosted by Cloudflare Registrar","description":"Is the domain's DNS hosted by cloudflare registrar? Looks up the NS records (Cloudflare DoH) and matches them against cloudflare-registrar's nameserver patterns, returning yes/no, the nameservers and which ones matched. Vendor detection for sales, migration and security work. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/hosted-by/cloudflare-registrar?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_rHG0-fPtP3i2RLIP3k5MO","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 Registrar by looking up NS records via Cloudflare DoH and matching them against Cloudflare Registrar nameserver patterns.","exampleAgentPrompt":"Can you check if example.com has its DNS hosted by Cloudflare Registrar — I need to know if their nameservers match Cloudflare Registrar's patterns?","exampleUseCases":[{"title":"Sales prospecting by DNS vendor","prompt":"I'm building a prospect list of companies that use Cloudflare Registrar — can you check if acme-corp.com has its DNS hosted by Cloudflare Registrar so I know whether to pitch our migration offer?"},{"title":"Pre-migration DNS provider check","prompt":"Before we start the migration project, can you verify whether clientsite.net is currently using Cloudflare Registrar for DNS, including which nameservers it's using and which ones matched?"},{"title":"Security vendor fingerprinting","prompt":"I'm doing reconnaissance on targetdomain.org for a security audit — can you tell me if their DNS is hosted through Cloudflare Registrar and show me the nameservers that matched?"}],"resultDescription":"Returns a yes/no indicator of whether the domain's DNS is hosted by Cloudflare Registrar, the full list of NS records retrieved via Cloudflare DoH, and a subset of matched nameservers that conform to Cloudflare Registrar nameserver patterns.","failureModes":["Domain does not exist or has no NS records — returns no match with empty nameservers","Cloudflare DoH service unavailable — lookup fails with connectivity error","Invalid domain format provided — returns input validation error","Domain uses Cloudflare CDN but not Cloudflare Registrar — correctly returns no match"],"whenToPreferThis":"Use this endpoint when you specifically need to detect whether a domain's DNS is managed through Cloudflare Registrar (as opposed to Cloudflare CDN/proxy). Ideal for sales prospecting, vendor segmentation, migration planning, and security reconnaissance where nameserver-level hosting attribution is needed. Prefer this over generic WHOIS or NS lookups when you want a definitive yes/no with matched patterns specific to Cloudflare Registrar.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:37.284Z","isFirstParty":false,"canonicalSlug":"is-dns-hosted-by-cloudflare-registrar-84ffd32c"}