cortex.io

Observed 2026-07-15T14:36:56.806Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesAtlassianGoogle Search Console

5 subdomains · 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

Cloudflareserves the site

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

googledomains.comanswers its DNS

alt4.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 308 → https://www.cortex.io/

HTTP status308

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time26 ms

DNS resolutionNOERROR

Redirect chain

https://www.cortex.io/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

76.76.21.21

MX 5

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

TXT 15

atlassian-domain-verification=KBI5lkFqP5YFabPYEaXCZPvrRZMM1E9J24dcdwjNQnwIHkT4Is4Us9aOtIo0NCGH
adobe-idp-site-verification=de00c47872e24cc6713b218a8af8490fed744d4ed54f08635c0dc179d7f31be2
v=spf1 include:_spf.google.com include:mail.zendesk.com ~all
apple-domain-verification=GjNMlTkf0R7vyD1Z
include:mktomail.com
brevo-code:9742d4685399e7a4edc0c8c21f543f80
include:mail.zendesk.com
MS=ms38798018
perplexity-ai-domain-verification-6gqt1t=0UAaLrShbvtJfRBnSsgdwxgoA
448E46E709

NS 4

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

SOA 1

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

TLS Certificates (0)

None.

Subdomains (5)

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: dc87111e-221a-459b-8cd0-fd328f889aad
Output Hash: bff5a8300aee2e761e23918c55ef4ce0044ca3cb2c483be8a4aeb89bc8c8817e
Signature: ed25519:c79fe63883d55303629038ecefb211d6e12769b3bfaec94b15f01a8f2e9ffad875f7fc59639a241fe7b7a4243f742a8f497c1dbd9e94028e41d3dd26bdb0bd03
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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