firefox もハードコードっぽそう https://dxr.mozilla.org/comm-central/source/mozilla/security/manager/ssl/nsSTSPreloadList.inc (リンク先クソ重いので注意)
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.
