{"uid":"cap_Bz13DdzaxZi0mbPyyWp6Q","slug":"agentshelf-naptr-dns-lookup-b81e4792","name":"Agentshelf NAPTR DNS Lookup","description":"Call when an agent needs NAPTR records at the exact hostname. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/dns-naptr first.","url":"https://agentshelf.syntexa.ch/v1/dns-naptr?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":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zLai--dv2tF2rFs-tDO6M","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves NAPTR (Naming Authority Pointer) DNS records for a given hostname","exampleAgentPrompt":"Can you look up the NAPTR DNS records for sip.example.com and tell me what services and routing rules are configured?","exampleUseCases":[{"title":"SIP telephony service discovery","prompt":"What NAPTR records are configured for voice.mycompany.com? I need to figure out what SIP services and protocols are advertised there."},{"title":"URI resolution scheme lookup","prompt":"Can you fetch the NAPTR DNS records for enum.example.net so I can see how calls to that domain get routed?"},{"title":"DNS misconfiguration debugging","prompt":"I'm troubleshooting why our NAPTR-based service discovery isn't working — can you pull the NAPTR records for services.acmecorp.io and show me what's there?"}],"resultDescription":"Returns the NAPTR DNS records associated with the queried hostname, including fields such as order, preference, flags, service type, regular expression, and replacement hostname for each record found.","failureModes":["Hostname does not exist (NXDOMAIN) — empty or error response","No NAPTR records found for a valid hostname","Invalid hostname format (exceeds 253 chars or malformed) — validation error","DNS timeout or upstream resolver failure","Private or reserved hostnames may be rejected"],"whenToPreferThis":"Use this endpoint when you need programmatic access to NAPTR DNS records for a specific hostname, particularly for SIP/telephony service discovery, ENUM lookups, or URI resolution schemes. Prefer this over manual DNS tooling when operating in an agentic workflow that requires structured, machine-readable NAPTR data with predictable pricing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:39.626Z","isFirstParty":false,"canonicalSlug":"agentshelf-naptr-dns-lookup-b81e4792"}