Stack census— back to the censusSurvey 016 · 07.10.2026

Money, Budgeting & Management · open source · awesome-selfhosted

Firefly III

firefly-iii.org · HTTP 403 in 832 ms

4 things were found in the response on 07.10.2026. This is the front door only: whatever runs behind a login, and anything a browser would have to execute to reveal, is not here.

Where it is served from

Cloudflarecdn
  • header — server: cloudflare
  • header — cf-ray: a46abe42bcbed2e3-FRA

Where their email goes

Proton Mailwebmail
  • dns — MX 20 mailsec.protonmail.ch
  • dns — MX 10 mail.protonmail.ch

What stands at the door

HSTSsecurity
  • header — strict-transport-security: max-age=31536000; includeSubDomains; preload

Everything else

HTTP/3miscellaneous
  • header — alt-svc: h3=":443"; ma=86400

Back to the census.