{"uid":"cap_7slJNTjXgAIbMTCCOmWrQ","slug":"sdn-wallet-screen-dns-email-auth-dns-lookup-endpoint-x402-1ff859f4","name":"SDN Wallet Screen + DNS & Email-Auth — DNS Lookup Endpoint (x402)","description":"Six keyless pay-per-call tools for AI agents: OFAC SDN crypto-wallet screen, live DNS records lookup, SPF/DMARC/DKIM email-auth check, domain age/registrar (RDAP), email address MX verify and URL unshorten/redirect check. $0.01 per call: USDC on Base over x402, or USDC on Tempo over MPP. Also a remote MCP server at /mcp (x402).","url":"https://sdn-screen-x402.sdnscreen.workers.dev/v1/dns?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":["name"],"properties":{"name":{"type":"string","examples":["example.com"],"maxLength":253,"minLength":3,"description":"Domain or hostname, e.g. example.com. A full URL or email address is accepted and reduced to its host. Alias: domain."},"type":{"enum":["ALL","A","AAAA","CNAME","MX","NS","TXT","SOA","CAA","SRV","PTR","DS","DNSKEY","HTTPS"],"type":"string","default":"ALL","description":"ALL (default: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA) or one record type."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["name","exists","records","resolver","queriedAt"],"properties":{"name":{"type":"string"},"exists":{"type":"boolean","description":"false when the resolver returned NXDOMAIN"},"records":{"type":"object","description":"One entry per requested record type","additionalProperties":{"type":"object","required":["status","authenticated","answers"],"properties":{"error":{"type":"string"},"status":{"enum":["NOERROR","NXDOMAIN","SERVFAIL","REFUSED","FORMERR","NOTIMP","ERROR"],"type":"string"},"answers":{"type":"array","items":{"type":"object","required":["name","type","ttl","data"],"properties":{"ttl":{"type":"integer","description":"Seconds"},"data":{"type":"string","description":"Record data. TXT strings are unquoted and joined."},"name":{"type":"string"},"type":{"type":"string","description":"Record type, e.g. A, MX, TXT"}}}},"authenticated":{"type":"boolean","description":"DNSSEC AD flag from the resolver"}}}},"resolver":{"type":"string"},"queriedAt":{"type":"string","format":"date-time"}}}}}}},"responseSchema":{"type":"json","example":{"name":"example.com","exists":true,"records":{"A":{"status":"NOERROR","answers":[{"ttl":34,"data":"172.66.147.243","name":"example.com","type":"A"},{"ttl":34,"data":"104.20.23.154","name":"example.com","type":"A"}],"authenticated":true},"MX":{"status":"NOERROR","answers":[{"ttl":300,"data":"0 .","name":"example.com","type":"MX"}],"authenticated":true},"NS":{"status":"NOERROR","answers":[{"ttl":79225,"data":"hera.ns.cloudflare.com.","name":"example.com","type":"NS"},{"ttl":79225,"data":"elliott.ns.cloudflare.com.","name":"example.com","type":"NS"}],"authenticated":true},"CAA":{"status":"NOERROR","answers":[],"authenticated":true},"SOA":{"status":"NOERROR","answers":[{"ttl":1800,"data":"elliott.ns.cloudflare.com. dns.cloudflare.com. 2416374680 10000 2400 604800 1800","name":"example.com","type":"SOA"}],"authenticated":true},"TXT":{"status":"NOERROR","answers":[{"ttl":288,"data":"v=spf1 -all","name":"example.com","type":"TXT"}],"authenticated":true},"AAAA":{"status":"NOERROR","answers":[{"ttl":12,"data":"2606:4700:10::ac42:93f3","name":"example.com","type":"AAAA"}],"authenticated":true},"CNAME":{"status":"NOERROR","answers":[],"authenticated":true}},"resolver":"Cloudflare 1.1.1.1 (DNS over HTTPS)","queriedAt":"2026-10-11T23:55:37.349Z"}},"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_ri0g3Enj2zE-jFFrso49d","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":"Performs a live DNS record lookup for a given domain, returning all or filtered DNS record types, paid per-call at $0.01 USDC via x402.","exampleAgentPrompt":"Look up all the DNS records for stripe.com — I want to see the A, MX, and TXT records especially.","exampleUseCases":[{"title":"Verify domain email configuration","prompt":"Can you pull the TXT records for acme-corp.io? I want to see if they have SPF and DMARC records set up correctly."},{"title":"Find hosting IP for a domain","prompt":"What IP address does shopify.com resolve to? Give me the A records."},{"title":"Check nameservers before domain transfer","prompt":"Look up the NS records for mybusiness.net — I need to confirm which nameservers it's currently using before I initiate a transfer."}],"resultDescription":"A JSON object containing the queried domain name, an 'exists' boolean, and a 'records' map keyed by DNS record type. Each record type entry includes a status (e.g. NOERROR), an 'authenticated' boolean (DNSSEC), and an array of answers with name, type, TTL, and data fields.","failureModes":["Domain does not exist in DNS — returns exists: false with empty records","Invalid or malformed domain name — may return error or empty result","Unsupported record type string — ignored or returns all records","Upstream DNS resolver timeout — may return partial or error response","Payment not completed via x402 — request rejected before DNS lookup is performed"],"whenToPreferThis":"Choose this endpoint when you need a live, authoritative DNS record lookup without setting up API keys or accounts, and you are comfortable with micro-payment billing via x402/USDC on Base. It is especially useful for AI agent pipelines that need on-demand DNS resolution as part of domain validation, email deliverability checking, or infrastructure inspection workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:41:24.076Z","isFirstParty":false,"canonicalSlug":"sdn-wallet-screen-dns-email-auth-dns-lookup-endpoint-x402-1ff859f4"}