See what the internet sees about you.
Eight free security tools to check your IP, VPN, DNS, SSL certificates, email protection and suspicious links. Then learn how to fix what you find.
- No sign-up
- No tracking of your lookups
- Plain-English results
Free cybersecurity tools
Every tool runs instantly in your browser, with no account and no limits for normal use.
IP Lookup
Location, ISP, ASN and reverse DNS for any IP address.
VPN & Proxy Checker
Find out if an IP belongs to a VPN, proxy or datacenter.
DNS & WebRTC Leak Test
See what your browser reveals even while on a VPN.
SSL/TLS Checker
Certificate, expiry, protocol and cipher details.
DNS Lookup
A, AAAA, MX, NS, TXT, CNAME, SOA and CAA records.
Email Security Checker
Check SPF, DKIM and DMARC for any domain.
Security Headers Checker
Grade the HTTP security headers of a website.
Suspicious URL Checker
Spot phishing signs in a link before you click it.
A VPN only helps if it actually works.
Many people connect to a VPN and assume they are protected. DNS requests, WebRTC and mismatched timezones can still reveal who and where you are. Test your setup in under a minute.
- Confirm your IP address changed after connecting
- Detect DNS resolvers that belong to your ISP
- Catch WebRTC leaks that expose your real address
Our VPN plans
Fast servers, a strict no-logs policy and apps for every device. Join the early-access list and get the founding-member price.
See plansHow it works
Pick a tool
Choose what you want to check: an IP, a domain, a website or a link.
Run the check
We query public data sources and analyse the result on our servers in seconds.
Fix what you find
Every result comes with clear next steps. Our blog goes deeper on each topic.
Protect your connection everywhere.
Get early access to our VPN and keep your traffic private on any network.