Stop guessing network problems — diagnose them instantly.
Network Diagnostics Toolbox is the all-in-one network analyzer for sysadmins, developers, and IT pros. From DNS lookups to SMTP testing and SSL certificate checks, troubleshoot any connection issue directly from your Android device.

? Key Tools

Connection Analyzer – Measure DNS resolution, TLS handshakes, and data transfer times.

Multi-Connection Tester – Run load tests and monitor server performance over time.

DNS Lookup & Debugger – Query any record type, view decoded results, and inspect raw responses.

SMTP & IMAP Testers – Debug email servers, authentication, and inbox issues fast.

Raw Socket Client (Netcat) – Send custom TCP data and analyze responses.

SSL/TLS Certificate Inspector – View and explore certificate chains in detail.

?‍? Perfect For

Sysadmins & IT Support – Diagnose on-site outages or guide users remotely.

Developers – Debug backend APIs, latency, and certificate pinning issues.

Network Engineers – Run quick checks and deep protocol analysis in the field.

Whether you’re solving connectivity errors, investigating latency, or testing new servers, Network Diagnostics Toolbox gives you the insights you need — fast.

? More mini-tools are on the way. Download now and make network debugging simple.