Security Tools
Free tools.
Real intelligence.
Practical security tools built for the professionals and organisations who take security seriously.
DNS · Recon
DNS Lookup
Query A, MX, TXT, CNAME, NS and AAAA records for any domain instantly. No account required.
Launch tool Password · PassphrasePassword Generator
Generate cryptographically secure passwords and passphrases. Runs entirely in your browser, nothing ever leaves your device.
Launch tool SPF · DMARC · DomainDomain Security Check
Check your domain's live SPF and DMARC setup and see exactly where your email security posture stands.
Launch tool JWT · TokenJWT Decoder
Decode a JSON Web Token's header and payload, with expiry and algorithm checks. Runs entirely in your browser, with no network call at all.
Launch tool WHOIS · DomainWHOIS Lookup
Retrieve registration data, registrar, nameservers and status for any domain via RDAP.
Launch tool IP · GeolocationIP Geolocation
Enter an IP address to see its approximate country and internet service provider.
Launch tool