Relay test
public.crostr.com/beacon-umbra
P
public.crostr.com
wss://public.crostr.com/beacon-umbra
A public, censorship-resistant Nostr relay focused on free speech and open communication. Built with strfry.
Checker status
Online
Checker latency
374 ms
Profiles using it
2
Last checked
Uptime history
Hourly checks, 16 in 90 days- Last 24 hours
- 85.71%
- Last 7 days
- 93.75%
- Last 30 days
- 93.75%
- Last 90 days
- 93.75%
Daily uptime, last 90 days
Aug 2Today
- 99% or more
- 95 to 99%
- Under 95%
- No checks
Connect time, last 48 hours
5.0 s
48 h ago Offline check (1)Now
Show as table
| Day (UTC) | Uptime | Checks up | Avg connect |
|---|---|---|---|
| 2026-10-30 | 100% | 3/3 | 403 ms |
| 2026-10-29 | 85.71% | 6/7 | 424 ms |
| 2026-10-28 | 100% | 6/6 | 1.3 s |
Supported NIPs
11 advertisedOperator and software
- Software
- strfry
- Version
- 1.0.4-272-g9c482c1
- Contact
- Not published
- Operator pubkey
- 6a8c57faf096d9bd7cf1374d4b3cffef17dc35608cbd23dcb9122b7927045500
Raw NIP-11 document
{
"name": "public.crostr.com",
"description": "A public, censorship-resistant Nostr relay focused on free speech and open communication. Built with strfry.",
"icon": null,
"pubkey": "6a8c57faf096d9bd7cf1374d4b3cffef17dc35608cbd23dcb9122b7927045500",
"contact": null,
"software": "git+https://github.com/hoytech/strfry.git",
"version": "1.0.4-272-g9c482c1",
"supportedNips": [
1,
2,
4,
9,
11,
28,
40,
45,
59,
70,
77
],
"paymentRequired": false,
"authRequired": false,
"restrictedWrites": false
}