security
Security Headers
Grade a site's HTTP security headers: Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and the cross-origin isolation headers.
cloud
Runs on our edge servers
A browser cannot read another site's response, so a dotbunker edge server fetches it and reports back. Nothing is stored.
Data sources
HTTP · dotbunker edge