Free tools
Passive checks, no account.
Public DNS, headers, certificates and already-disclosed breach datasets. No port scans and no active tests against third parties.
correo filtrado
Has your email appeared in a breach?
Queries Have I Been Pwned for an account you own. We do not store the address or the result.
password filtrada
Is your password in a breach?
SHA-1 is computed in your browser. Only the first five hash characters are sent (k-anonymity). The password never leaves your device.
cabeceras http
HTTP security header analyzer
Reads your site’s response headers and scores CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy and Permissions-Policy.
correo dns
SPF, DKIM and DMARC checker
Queries public DNS (Cloudflare DoH) for missing records, permissive ~all and DMARC p=none.
certificado ssl
TLS certificate status
Shows issuer, validity, days remaining and negotiated TLS version. Alerts if expiry is under 30 days.
dimensionar vps
VPS sizer
Estimates vCPU, RAM, NVMe disk and whether a GPU is needed. The calculation runs in your browser and can be sent to the quote wizard.