{"uid":"cap_8UaazeJ0bUVl-4F7UgkzV","slug":"is-dns-hosted-by-dyn-69552540","name":"is-dns-hosted-by-dyn","description":"Is the domain's DNS hosted by dyn? Looks up the NS records (Cloudflare DoH) and matches them against dyn's nameserver patterns, returning yes/no, the nameservers and which ones matched. Vendor detection for sales, migration and security work. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/hosted-by/dyn?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_1XdX3HdaoQv2uIpblZNa8","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 Dyn by looking up its NS records via Cloudflare DoH and matching them against Dyn's known nameserver patterns","exampleAgentPrompt":"Can you check if acmecorp.com has its DNS hosted by Dyn — I need to know if they're a Dyn customer and which nameservers matched?","exampleUseCases":[{"title":"Sales prospecting for Dyn customers","prompt":"I'm building a prospect list of companies that use Dyn for DNS hosting — can you check if stripe.com is a Dyn customer and show me the nameservers?"},{"title":"Pre-migration DNS vendor audit","prompt":"We're planning to migrate away from Dyn — can you confirm that shopify.com's DNS is currently hosted by Dyn so we know which records to move?"},{"title":"Security vendor fingerprinting","prompt":"I'm doing infrastructure recon on target.com and need to know if their DNS is managed by Dyn — can you check their NS records and tell me if any match Dyn's nameserver patterns?"}],"resultDescription":"Returns a yes/no boolean indicating whether the domain's DNS is hosted by Dyn, the full list of NS records retrieved via Cloudflare DoH, and a subset listing which nameservers matched Dyn's known patterns.","failureModes":["Domain does not exist or has no NS records — returns no match with empty nameserver list","Cloudflare DoH is temporarily unavailable — lookup fails with a connectivity error","Invalid or malformed domain name input — returns an error indicating bad input","Domain uses Dyn but with a non-standard nameserver pattern not in the detection list — may return false negative"],"whenToPreferThis":"Use this endpoint when you need a fast, low-cost single-domain check to detect Dyn DNS hosting specifically, especially for sales lead qualification, pre-migration DNS vendor audits, or security infrastructure fingerprinting. Prefer this over generic NS lookup tools when you need the Dyn-pattern matching logic built in rather than doing manual nameserver analysis. For bulk checks across many domains, consider the sibling bulk endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:59:09.822Z","isFirstParty":false,"canonicalSlug":"is-dns-hosted-by-dyn-69552540"}