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Free Security and VPN Diagnostic Tools
Start with the email security check, then inspect IP, DNS, WebRTC and VPN speed signals. These tools describe your current connection, not a provider-wide test.
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Email Security Check
Check whether an email domain has MX, SPF and DMARC protection, plus optional Have I Been Pwned breach signals.
Email Security Check
VPN/IP Test
Check your public IP, location, ISP, ASN and VPN/proxy signals.
VPN/IP Test
DNS Resolver Check
Inspect which DNS resolver signals your current browser connection exposes.
DNS Resolver Check
WebRTC Signal Check
Inspect whether this browser session exposes a public IP through WebRTC.
WebRTC Signal Check
VPN Speed Comparison
Compare VPN-on and VPN-off values on your current connection.
VPN Speed Comparison
Results stay in your browser. We never log this data.