Internet infrastructure explorers

DNS, BGP, certificates, IPv6, CDNs, e-mail and outages: the plumbing of the internet. · 11 tools

  • ASN Relationship Explorer

    An autonomous system at a glance: holder, country, BGP neighbours and announced prefixes.

    Uses live data · JSON API · MCP

  • BGP Route Explorer

    Who announces an IP or prefix in BGP: origin ASes, RPKI validity, visibility and origin changes.

    Uses live data · JSON API · MCP

  • CDN Behaviour Explorer

    Which CDN serves a URL, whether it caches it (HIT/MISS, Age, TTL) and how, from two requests.

    Uses live data · JSON API · MCP

  • Certificate Transparency Explorer

    Every logged certificate for a domain: history, issuers, subdomains, wildcards and expiry.

    Uses live data · JSON API · MCP

  • DNS + Certificate Explorer

    DNS records, e-mail security, CAA, live TLS certificate and CT history for a domain.

    Uses live data · JSON API · MCP

  • Domain History Graph

    Registration, DNS, hosting networks, certificates and Wayback captures of a domain as a timeline.

    Uses live data · JSON API · MCP

  • E-mail Infrastructure Explorer

    MX, SPF lookups, DMARC, DKIM, MTA-STS, TLS-RPT and BIMI for a domain, scored with fixes.

    Uses live data · JSON API · MCP

  • Global DNS Explorer

    Ask every authoritative name server and public resolvers: records, propagation, DNSSEC, mistakes.

    Uses live data · JSON API · MCP

  • HTTP Technology Explorer

    Headers, compression, caching, HTTP/2-3 hints, redirects, security and tech stack for a URL.

    Uses live data · JSON API · MCP

  • Internet Outage Atlas

    Correlate public outage signals (IODA, RIPEstat BGP, live probe) for a country, ASN or domain.

    Uses live data · JSON API · MCP

  • IPv6 Readiness Explorer

    Is a domain reachable over IPv6? Web, DNS and mail checks, address classes and a scored report.

    Uses live data · JSON API · MCP

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