jalammar.github.io

Observed 2026-07-13T00:46:27.780593440+00:00 (12h 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

185.199.108.153
185.199.109.153
185.199.110.153
185.199.111.153

AAAA 4

2606:50c0:8002::153
2606:50c0:8001::153
2606:50c0:8003::153
2606:50c0:8000::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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for jalammar.github.io. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/jalammar.github.io">
  <img src="https://domaindrift.io/badge/jalammar.github.io.svg"
       width="300" height="64" alt="DomainDrift signed observations for jalammar.github.io">
</a>

Ed25519 Receipt

Receipt ID: a246ab2e-cdcd-48b4-a95e-f51816ddfb78
Output Hash: fd2dd22b3dbb2c01d7047b1cc564ab32e10e5e73af7584df918058cee4088b71
Signature: ed25519:a9f71c07feb5e7035cbfc8edfb12bcaae5c708c040824ce726adcaaff7140f3ba0ab244abca8e6be7c412a96d29abf4b8f4bfdd2282b541bb61e453559e97203
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/jalammar.github.io