Infrastructure x402 offerings

Perform a comprehensive DNS lookup for a domain. Returns A, AAAA, MX, NS, TXT, CNAME records plus SPF and DMARC detection.

Nginx Config Generator: Generate production nginx server blocks with SSL, proxy_pass, WebSocket support, security headers, gzip and rate limiting.

DNS records of a domain with TTL: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, HTTPS. Choose the types or get the common ones at once.

Technical inspection of a URL: status, redirects, time to first byte and total time, bytes, compression, content type, cache policy, server, CDN, cookies set, security headers present and all respons…

Detect the technologies behind a website: CMS (WordPress, Shopify...), frameworks (Next.js, React...), server and CDN, analytics, payments, chat, cookie manager, captcha and fonts, from HTML and head…

Check DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdGuard...): each answer and TTL and whether they all agree. Use after changing DNS.

API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.

Check DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdGuard...): each answer and TTL and whether they all agree. Use after changing DNS.

API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.

Check whether a list of URLs, or every link on a page, works: HTTP status, final URL after redirects and broken links first. Up to 50 URLs per call, checked in parallel.

IPv4/IPv6 subnet calculator: network, mask, wildcard, broadcast, first/last host, usable hosts, address type (private, public, loopback...) and whether a given IP belongs to the subnet.

Detect which email service a domain uses (Google Workspace, Microsoft 365, Zoho, Proton, OVH, IONOS...) from its MX and SPF records, plus corporate spam filters and other senders. For B2B sales and a…

Check whether a list of URLs, or every link on a page, works: HTTP status, final URL after redirects and broken links first. Up to 50 URLs per call, checked in parallel.

Parse a site's robots.txt: whether a user-agent may crawl a path, which AI crawlers (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, CCBot...) are blocked, and declared sitemaps. Check before your…

DNS records of a domain with TTL: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, HTTPS. Choose the types or get the common ones at once.

What a site is built and run on, from a single fetch: frameworks, CMS, ecommerce platform, CDN, analytics, payments, support widgets and web server — each with the header or HTML marker that proves i…

Host a generated HTML page on a permanent unguessable link for up to 30 days: static HTML, inline CSS and SVG render; scripts, forms and external requests are blocked Host a generated HTML page (report, dashboard, summary, invoice) on a pe…

Check whether an email address is well-formed and its domain can receive mail, before you send. Five DNS checks on an email address, no message sent: syntax, MX presence and hosts, SPF record, DMARC policy, disposable domain, role address. Returns deliverable as NO, RISKY or LIKELY. It does not open an SMTP session and says so: mailbox existence is explicitly not c…

Host a generated HTML page on a permanent unguessable link for up to 30 days: static HTML, inline CSS and SVG render; scripts, forms and external requests are blocked Host a generated HTML page (report, dashboard, summary, invoice) on a pe…

A temporary public webhook URL: give it to any service, then long-poll the events that arrived (method, query, headers, body). Free to receive and read, up to 100 events for 1 to 24…

Check whether a domain is reachable and healthy: DNS, certificate, redirects, security headers. One call on a domain: A, AAAA, NS, MX and SPF records; the TLS certificate with issuer, expiry and days left; the HTTP redirect chain hop by hop; and which security headers are present. Read from our infrastructure. Query…

DNS records for a domain: A, AAAA, MX, NS, TXT, SOA, CAA. Use ?domain=example.com. Built for DNS audit and email infrastructure verification. Accepts payment on Base or Solana — either network works.

dns lookup, DNS lookup API, DNS lookup online, lookup DNS records, DNS resolver lookup, nslookup API, DNS query lookup, dig replacement, DoH lookup, A AAAA MX TXT NS CNAME lookup, SPF DMARC DKIM lookup, nameserver lookup, CDN routing detector, DNS DNSSEC inspector. Resolve any domain to A, AAAA, MX, TXT, NS, CNAME, or SOA records. For AI agents, security audits, email config validation, network diagnostics. Accepts payment on Base or Solana — either network works.

API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.