upptime.js.org
Observed Jul 18, 2026, 12:22 UTC (11h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Secured byLet's Encrypt
IPv6 · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upptime.js.org actually stands on - every host below is a signed observation
upptime.js.org
A / AAAA
104.26.8.84104.26.9.84172.67.73.642606:4700:20::681a:854+2 more
Cloudflareserves the site
TLS
js.org
Let's Encryptissued its certificate
DNS Records
A 3
104.26.8.84104.26.9.84172.67.73.64
AAAA 3
2606:4700:20::681a:8542606:4700:20::681a:9542606:4700:20::ac43:4940
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
js.org |
C=US, O=Let's Encrypt, CN=YE1 | Tue, 29 Sep 2026 14:27:59 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (0)
None observed.
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
a5c548d8-310e-4b62-9677-6768de24ef99- Output Hash
fba6c917305b833d90e8ff7714ef985309d5d3609671217e280284d3484c1262- Signature
ed25519:b1b5dabc922b32990630287cea4aecbc69bf97936813bc3b24b8e2037b76028e943e4ed94206c9516e75ec33273e66001044866cffb2f8b710e8e2b858b9a701- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast