4letters.app
4letters.app is a live English-language website hosted on LUMADOCK LTD (AS203919) in the Netherlands, served by Nginx. cl0q first saw it on 2026-07-28 and last crawled it on 2026-08-02. It resolves to 5.10.250.37. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
4letters
4letters is a free, open-source messenger with end-to-end encryption. Chat one-to-one or in groups - only you and your contacts can read your messages. Installs right from your browser, no app store needed.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-07-28 |
| Last crawled | 2026-08-02 |
| IPv4 | 5.10.250.37 |
| Network | AS203919 LUMADOCK LTD · The Netherlands |
| Language | en |
| Server | nginx/1.30.4 |