colab.dev

Observed 2026-07-14T17:35:18.861Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Registered withMarkMonitor Inc.

tranco_40k

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

INFRASTRUCTURE MAPwhat colab.dev actually stands on - every host below is a signed observation

colab.dev

ns4.googledomains.comns2.googledomains.comns1.googledomains.comns3.googledomains.com

googledomains.comanswers its DNS

HTTPS probe

server_error Server error (5xx) 530 Server Error

HTTP status530

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time16 ms

DNS resolutionNOERROR

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

DNS Records

TXT 1

v=spf1 -all

NS 4

ns4.googledomains.com
ns2.googledomains.com
ns1.googledomains.com
ns3.googledomains.com

SOA 1

ns1.googledomains.com cloud-dns-hostmaster.google.com

CAA 1

issue pki.goog

TLS Certificates (0)

None.

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 colab.dev. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: f841d9ea-5240-4e6c-86cc-669eaa8e0558
Output Hash: 89b6d66428ee86ff2ed655462afcae8c316254b4c335b755f57f764a133d06fb
Signature: ed25519:a41a35c14292af903fa39e8bd6df740782d21223b0b507bcde8993de28e1930651e024ad30f991dcafa5edb27bdc4ca84891cc8f1634fe11f718b2341d1fa009
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/colab.dev