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.
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Password · Passphrase
Secrets Generator
Generate cryptographically secure passwords and passphrases. Runs entirely in your browser — nothing ever leaves your device.
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SPF · DMARC · Domain
Domain Security Check
Check your domain's live SPF and DMARC setup and see exactly where your email security posture stands.
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JWT · Token
JWT Decoder
Decode a JSON Web Token's header and payload, with expiry and algorithm checks. Runs entirely in your browser — no network call at all.
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WHOIS · Domain
WHOIS Lookup
Retrieve registration data, registrar, nameservers and status for any domain via RDAP.
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IP · Geolocation
IP Geolocation
Enter an IP address to see its approximate country and internet service provider.
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