// network tools
Everything you need to
diagnose your network
Professional-grade network diagnostic tools, available directly in your browser with no installation required.
Ping Test
Measure round-trip latency to any host or IP. Diagnose packet loss and connection quality.
routing↗Traceroute
Trace the full network path to any destination — identify bottlenecks hop by hop.
domain intel↗WHOIS Lookup
Retrieve domain registration data, registrar details, expiry dates and nameservers.
geolocation↗IP Lookup
Geolocate any IP — find ISP, ASN, country, region, city and organisation details.
dns records↗DNS Lookup
Query A, AAAA, MX, TXT, CNAME, NS and SOA records for any domain.
security↗Port Checker
Test whether a TCP port is open or filtered on any remote host.
// why nettoolz
Built for speed, precision
and privacy
Every tool is engineered for professionals who need fast, accurate and reliable diagnostic data.
sub-100ms response
Results returned in milliseconds — no loading spinners, no delays.
privacy first
No account required. We don't log queries or store your data.
ipv4 & ipv6
Full dual-stack support across all tools — modern network ready.
rest api
Integrate any tool into your apps or scripts via our free JSON API.
cli friendly
Use tools via curl for terminal workflows and automation pipelines.
detailed output
Raw results, parsed fields and visual summaries in one view.
// faq
Common questions
Everything you need to know about NetToolz and network diagnostics.