LastSignal: is it still online? | SaaS OutpostJanuary 2026 cohort / Security and privacy

A self-hosted service that delivers encrypted messages to chosen recipients if you stop responding to check-ins.
- Status
- Onlinesince Nov 5, 2026
Last 30 days
100% of checks answered · median response 541 ms
- Oct 8, 2026: Not checked
- Oct 9, 2026: Not checked
- Oct 10, 2026: Not checked
- Oct 11, 2026: Not checked
- Oct 12, 2026: Not checked
- Oct 13, 2026: Not checked
- Oct 14, 2026: Not checked
- Oct 15, 2026: Not checked
- Oct 16, 2026: Not checked
- Oct 17, 2026: Not checked
- Oct 18, 2026: Not checked
- Oct 19, 2026: Not checked
Domain and certificate
- Registrar
- Namecheap Inc.
- Registered
- Jan 24, 2026 · the week of launch
- Renewal due
- Jan 24, 2027 · in 3 months
- DNS
- Cloudflare
- HTTPS certificate
- valid to Jan 16, 2027 · 2 months left
Registration data for lastsignal.app from the registry's public RDAP service, looked up Nov 5, 2026.
History
Launched
· Launch announcement
Online
· online
- Last checked Nov 6, 2026
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Stores encrypted files and messages for loved ones, releasing them automatically if you stop checking in.
OnlineEncrypts direct messages inside existing chat apps using post-quantum encryption.
Oct 20, 2026: Not checkedOct 21, 2026: Not checkedOct 22, 2026: Not checkedOct 23, 2026: Not checkedOct 24, 2026: Not checkedOct 25, 2026: Not checkedOct 26, 2026: Not checkedOct 27, 2026: Not checkedOct 28, 2026: Not checkedOct 29, 2026: Not checkedOct 30, 2026: Not checkedOct 31, 2026: Not checkedNov 1, 2026: Not checkedNov 2, 2026: Not checkedNov 3, 2026: Not checkedNov 4, 2026: Not checkedNov 5, 2026: Online (1 of 1 checks answered)Nov 6, 2026: Online (1 of 1 checks answered)Oct 8, 2026- Online
- Some checks failed
- Down
- Not checked
Today Daily checks started Nov 5, 2026.
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