Free cybersecurity tools
Eight tools for checking your own privacy and the security of the sites and domains you manage. All free, no account needed.
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.