Learning Center

Expert guides and tutorials on IP addresses, VPNs, online privacy, and internet security.

What is My IP Address and Why Does it Matter?

Learn everything about IP addresses, how they work, what information they reveal, and why protecting your IP is crucial for online privacy.

Understand the differences between IPv4 and IPv6, why the internet is transitioning, and what it means for your online security.

Discover how VPN technology masks your real IP address, encrypts your traffic, and protects your online identity.

Learn what DNS leaks are, how they compromise your privacy even with a VPN, and proven methods to detect and prevent them.

Understand port scanning from both perspectives, learn common tools like Nmap, legal considerations, and protection strategies.

Discover exactly how Internet Service Providers monitor your browsing, what data they collect, and effective privacy protection.

Comprehensive comparison of proxies and VPNs with security analysis and use case recommendations.

Learn how WebRTC can expose your real IP even when using a VPN and how to prevent it.

Step-by-step guide to verify your VPN is working correctly with comprehensive testing procedures.

Comprehensive overview of online privacy threats, protection tools, and best practices for 2025.

Use our free tools to check your IP address, test for DNS leaks, and verify your online security.