{"uid":"cap_FJBAoAAZNgAFxOkNMnfuh","slug":"northline-webkit-dns-lookup-b2855de8","name":"Northline WebKit DNS Lookup","description":"Pay-per-call web and domain utilities for AI agents: URL to Markdown, link preview metadata, links, uptime/redirect check, DNS, email-domain check, WHOIS/RDAP, robots.txt and a one-call domain report. x402 (USDC on Base), no API key, no signup.","url":"https://northline-webkit.northline-c86.workers.dev/v1/dns/lookup?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","required":["domain"],"properties":{"type":{"enum":["A","AAAA","CNAME","MX","TXT","NS","SOA","CAA","SRV","PTR","HTTPS"],"type":"string","default":"A"},"domain":{"type":"string","minLength":3,"description":"Domain name, e.g. example.com"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"name":"example.com","type":"MX","status":"NOERROR","answers":[{"ttl":86400,"data":"0 .","type":"MX"}]}},"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_fdZEWkUqiWRViv2V_jDjp","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":"Performs DNS record lookups for a given domain, returning resolved records of the specified type (A, MX, TXT, CNAME, etc.)","exampleAgentPrompt":"Look up the MX records for stripe.com so I can see which mail servers handle their email.","exampleUseCases":[{"title":"Email server discovery for a domain","prompt":"What are the MX records for github.com? I need to know which mail servers handle their incoming email."},{"title":"Domain ownership TXT record verification","prompt":"Can you look up the TXT records for shopify.com? I want to see if they have an SPF record set up."},{"title":"IPv4 address resolution for a hostname","prompt":"What IP address does api.openai.com resolve to? Do an A record lookup for me."}],"resultDescription":"Returns a JSON object with the queried domain name, record type, a NOERROR/NXDOMAIN status, and an array of answer records each containing the TTL, data value, and record type. Useful for programmatic DNS inspection without needing dig or nslookup.","failureModes":["Domain not found (NXDOMAIN status returned with empty answers array)","Invalid or missing domain parameter causes 400-level error","Unsupported record type may return empty answers","Network timeout on slow DNS resolution","Payment failure via x402 blocks the request"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to programmatically resolve DNS records without API keys or signup, paying only per call via USDC on Base. Ideal for lightweight automation, domain investigation pipelines, or when bundling with other Northline WebKit domain utilities (WHOIS, uptime, email-domain check) in a single workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:37:56.965Z","isFirstParty":false,"canonicalSlug":"northline-webkit-dns-lookup-b2855de8"}