{"uid":"cap_ztaOM2dhxP-IVM5QhESIh","slug":"is-dns-hosted-by-tucows-0e99314a","name":"Is DNS Hosted by Tucows","description":"Is the domain's DNS hosted by tucows? Looks up the NS records (Cloudflare DoH) and matches them against tucows's nameserver patterns, returning yes/no, the nameservers and which ones matched. Vendor detection for sales, migration and security work. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/hosted-by/tucows?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_DlcRvbXxg0Iw1cLOLm0id","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 Tucows by looking up its NS records via Cloudflare DoH and matching them against Tucows nameserver patterns, returning a yes/no answer with matched nameservers.","exampleAgentPrompt":"Can you check if example.com has its DNS hosted by Tucows — give me the nameservers and whether any of them match Tucows's patterns?","exampleUseCases":[{"title":"Pre-migration DNS vendor audit","prompt":"I'm about to migrate a list of client domains and need to know which ones are currently on Tucows DNS — can you check if clientsite.com is hosted by Tucows and show me the nameservers?"},{"title":"Sales prospecting for Tucows customers","prompt":"We're targeting companies using Tucows as their DNS provider — can you tell me if acmecorp.com is DNS-hosted by Tucows, with the matching nameservers?"},{"title":"Security reconnaissance on a suspect domain","prompt":"As part of a security investigation, I need to know who hosts the DNS for suspiciousdomain.net — specifically, is it Tucows, and which nameservers matched?"}],"resultDescription":"Returns a yes/no boolean indicating whether the domain's DNS is hosted by Tucows, the full list of NS records retrieved via Cloudflare DoH, and which specific nameservers matched Tucows's known nameserver patterns.","failureModes":["Invalid or non-existent domain returns an error or empty NS records","Domain with no NS records returns a 'no' result with empty matches","DNS lookup timeout from Cloudflare DoH results in a lookup failure","Malformed domain input may return a validation error","Tucows nameserver pattern list may lag behind actual Tucows infrastructure changes, causing false negatives"],"whenToPreferThis":"Choose this endpoint when you specifically need to detect whether a domain's DNS is managed by Tucows (the registrar/DNS host), such as for sales prospecting, pre-migration audits, or security investigations targeting Tucows-hosted infrastructure. It is more precise than a generic NS lookup because it applies Tucows-specific pattern matching on top of the raw NS records.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T19:02:34.741Z","isFirstParty":false,"canonicalSlug":"is-dns-hosted-by-tucows-0e99314a"}