jalammar.github.io
Observed 2026-07-13T00:46:27.780593440+00:00 (11h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
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 jalammar.github.io actually stands on - every host below is a signed observation
jalammar.github.io
A / AAAA
185.199.108.153185.199.109.153185.199.110.153185.199.111.153+4 more
2606serves the site
TLS
*.github.io
Let's Encryptissued its certificate
DNS Records
A 4
185.199.108.153185.199.109.153185.199.110.153185.199.111.153
AAAA 4
2606:50c0:8002::1532606:50c0:8001::1532606:50c0:8003::1532606:50c0:8000::153
CAA 6
issue "digicert.com"issue "letsencrypt.org"issue "sectigo.com"issuewild "digicert.com"issuewild "letsencrypt.org"issuewild "sectigo.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.github.io |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 02 Sep 2026 23:26:06 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
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
a246ab2e-cdcd-48b4-a95e-f51816ddfb78- Output Hash
fd2dd22b3dbb2c01d7047b1cc564ab32e10e5e73af7584df918058cee4088b71- Signature
ed25519:a9f71c07feb5e7035cbfc8edfb12bcaae5c708c040824ce726adcaaff7140f3ba0ab244abca8e6be7c412a96d29abf4b8f4bfdd2282b541bb61e453559e97203- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast