What this checks
The scanner attempts a TCP connection and reports whether the port accepted, refused, timed out or was unreachable.
TCP diagnostic
Port Scanner
Check a small set of TCP ports on one public host or IP. This tool is for diagnostics, not mass scanning.
Single targetPublic IP onlyNo banners
Target -Duration -
| IP | Port | Status | Latency | Note |
|---|
Run a scan to see results.
Safety limits
Targets must be public hosts or IPs. Custom checks are capped at 20 ports and do not fetch banners or URLs.