Free Security Tools
A growing set of free tools to check, harden and understand your security — no signup required.
Free Security Check
Grade your domain A–F across HTTPS, email, DNS and security headers in seconds.
Open →Email Spoofing Check
Can scammers forge email from your domain? Instant SPF, DKIM & DMARC verdict.
Open →Network Tools
DNS, WHOIS, SSL, email security, HTTP headers, IP blacklist and reverse DNS lookups.
Open →Vulnerability Search
Search the EU Vulnerability Database (EUVD) for the latest, exploited and critical CVEs.
Open →AI Security Quiz
Two-minute quiz: discover your Shadow-AI risk level and get instant recommendations.
Open →Spot the Phish
A fast, free game — can you tell real messages from scams? Test your instincts.
Open →