Free diagnostic tools to check your privacy, security, and network performance.
Find detailed information about any IP address: location, ISP, ASN, and threat status.
Check if your DNS requests are leaking outside your VPN tunnel. Critical for VPN users.
WebRTC can reveal your real IP even behind a VPN. Test if your browser is vulnerable.
Dedicated speed test subdomain with real-time gauge. Measure download, upload, ping, and jitter.
Check which ports are open on your IP. Useful for security audits.
Check if your IP is listed on spam, abuse, or blocklists.
Look up domain and IP registration details.
Track how your IP address changes over time. Stored locally in your browser.