{"uid":"cap_zSlcqivBSX-pIMOcso-jU","slug":"agentshelf-dns-ns-lookup-4720b918","name":"AgentShelf DNS NS Lookup","description":"Call when an agent needs NS hostnames for the public name. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/dns-ns first.","url":"https://agentshelf.syntexa.ch/v1/dns-ns?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"hostname":{"type":"string","examples":["example.com"],"maxLength":253,"minLength":1,"description":"Public DNS hostname such as example.com. Not a URL, not an IP literal, and not a private name."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mPvOXw7Dmxt07fYp_-Glt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the NS (name server) hostnames for a given public domain name via DNS lookup","exampleAgentPrompt":"What are the NS hostnames for github.com? I need to see which name servers are authoritative for that domain.","exampleUseCases":[{"title":"Verify domain DNS delegation","prompt":"Can you look up the name servers for shopify.com so I can confirm which DNS provider they're using?"},{"title":"Audit domain hosting infrastructure","prompt":"I need to know the authoritative NS records for cloudflare.com — pull them for me so I can document their DNS setup."},{"title":"Debug DNS misconfiguration","prompt":"Something looks off with the DNS for my client's site mybusiness.example.com — can you fetch its NS hostnames so we can check if the delegation is correct?"}],"resultDescription":"A list of NS (name server) hostnames that are authoritative for the queried domain, as returned by DNS resolution. Typically includes two or more name server FQDNs (e.g. ns1.example.com, ns2.example.com).","failureModes":["Domain does not exist or has no NS records — returns empty or error response","Malformed hostname input exceeding 253 characters or empty string — rejected by schema validation","Private or internal hostname not publicly resolvable — lookup fails","Temporary DNS resolution failure or upstream timeout — may return error"],"whenToPreferThis":"Use this endpoint when you need to programmatically retrieve authoritative NS records for a public domain name as part of DNS auditing, infrastructure analysis, domain verification, or DNS delegation checks. Prefer the free sandbox endpoint (/v1/sandbox/dns-ns) for testing or non-production lookups to avoid the $0.001 USDC charge.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:56.465Z","isFirstParty":false,"canonicalSlug":"agentshelf-dns-ns-lookup-4720b918"}