TCP reachability

Port check

Check whether a TCP port is open and reachable from this server.

Network Diagnostic Tools

iptest.pro provides a collection of network diagnostic tools that help developers, system administrators and network engineers troubleshoot connectivity issues and inspect internet infrastructure.

The available tools include DNS lookup, reverse DNS resolution, SSL certificate inspection, open port testing and IP geolocation.

These tools can be used directly in the browser or via command line using curl and other HTTP clients.

curl iptest.pro curl iptest.pro/google.com curl iptest.pro/8.8.8.8