cortex.io

Observed 2026-07-17T12:53:17.092940386+00:00 (2h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search ConsoleAtlassian

push_legacy

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat cortex.io actually stands on - every host below is a signed observation

cortex.io

A / AAAA

76.76.21.21

Amazonserves the site

ns-cloud-d1.googledomains.comns-cloud-d2.googledomains.comns-cloud-d3.googledomains.comns-cloud-d4.googledomains.com

googledomains.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

cortex.io

Let's Encryptissued its certificate

DNS Records

A 1

76.76.21.21

MX 5

1aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com

TXT 13

448E46E709
MS=ms38798018
include:mktomail.com
include:mail.zendesk.com
apple-domain-verification=GjNMlTkf0R7vyD1Z
brevo-code:9742d4685399e7a4edc0c8c21f543f80
v=spf1 include:_spf.google.com include:mail.zendesk.com ~all
perplexity-ai-domain-verification-6gqt1t=0UAaLrShbvtJfRBnSsgdwxgoA
google-site-verification=btOD2TmbLQX1fEEGkRpvyVC3YI2a8HPjbcOhtKzMfVE
reachdesk-verification=FKv3u4hJgk9Fi8hvJ4cminl2EJYzGsdmv9u8rnnSFZxGsnP1GGTUPi5SRSAb5wVU

NS 4

ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com

SOA 1

ns-cloud-d1.googledomains.com cloud-dns-hostmaster.google.com

TLS Certificates (3)

Common Name	Issuer	Expires
`cortex.io`	C=US, O=Let's Encrypt, CN=YR1	Wed, 16 Sep 2026 01:29:44 +0000
`YR1`	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 cortex.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 14175dc2-6c2c-4811-aa24-b3b7ca050d38
Output Hash: e0a4aa9f09acff4794811e2e373341fac13801bc76a79b82d8cf4120559587c3
Signature: ed25519:834c7079a1a3664e895ab368e8f1fb5bb0b8123bd7e52d50b5203a99d59e893fb1f1038832daa37458b437818384732b4211eb4b21ee3fd0a0eb6eadb8955d0d
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/cortex.io