Security Tools
Free, passive checks you can run on any domain. No login, nothing intrusive.
Website Security Check
SSL, security headers, HTTPS redirect and privacy policy — a quick health score for any site.
Open toolSSL Certificate Checker
Check a certificate's expiry, issuer, and what it covers. Know before it lapses.
Open toolWHOIS / Domain Lookup
Registrar, registration and expiry dates, status, and name servers for any domain.
Open toolSubdomain Finder
Discover subdomains from public certificate transparency logs — see your real attack surface.
Open toolPassword Strength Checker
See how strong a password is and how long it would take to crack — checked privately in your browser.
Open toolEmail Security Checker
Check your domain's SPF and DMARC records — find out if attackers can spoof email from your business.
Open toolLookalike Domain Finder
Find typosquat and lookalike domains impersonating your business for phishing — before your customers fall for them.
Open toolDNS Records Lookup
View all public DNS records — A, MX, NS, TXT and more — for any domain in one clean view.
Open toolSecurity Headers Checker
Grade your website's security headers — HSTS, CSP, X-Frame-Options and more — in seconds.
Open tool