DNS list for HSTS preloaded domains

This list is technically similar to URIBLs.

The source code is available on GitLab.

Technical details

The service is available under chromium.hstspreload.lelux.fi and serves the Chromium HSTS preloading list.

A query returns 127.0.0.42 if the domain is HSTS preloaded. If it is not preloaded, NXDOMAIN is returned.

Example

$ dig +short httpforever.com.chromium.hstspreload.lelux.fi
$ dig +short mail.google.com.chromium.hstspreload.lelux.fi
127.0.0.42

Guidelines


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