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network-tools

Look up domain registration data including registrar, creation/expiry dates, name servers, and DNSSE

Parse any User Agent string to identify browser, rendering engine, operating system, OS version, and

Trace the network path to any host hop by hop, displaying IP address, hostname, and round-trip time

Browser-based ssl-checker tool. Live demo at file-converter-free.com

Check whether TCP ports are open or closed on any host, with a 18-port named-service lookup table an

Test host reachability and latency via a backend ping API, displaying packet statistics and min/avg/

Display your public IP address with geolocation, ISP, ASN, timezone, and country details, plus a loo

Fetch and display the HTTP response headers for any URL, with status code color coding and highlight

Browser-based email-header-analyzer tool. Live demo at file-converter-free.com

Browser-based dns-lookup tool. Live demo at file-converter-free.com

Display comprehensive information about the current browser, OS, screen, hardware, network, capabili