catb.org

Observed 2026-07-13T02:32:21.629Z (13h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Registered withTucows Domains Inc.

1 subdomain · tranco_20k

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

INFRASTRUCTURE MAPwhat catb.org actually stands on - every host below is a signed observation

catb.org

A / AAAA

152.19.134.41

Cloudflareserves the site

ns2.unc.eduns.unc.edu

unc.eduanswers its DNS

HTTPS probe

server_error Server error (5xx) 526 Server Error

HTTP status526

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time113 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

A 1

152.19.134.41

NS 2

ns2.unc.edu
ns.unc.edu

SOA 1

ib-hm.net.unc.edu host-reg.unc.edu

TLS Certificates (0)

None.

Subdomains (1)

www.catb.org

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 catb.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 2ca7927d-19fa-434c-b66c-0d69b9db07ee
Output Hash: 0f4344cdad56a126ec370751d455014ede43a01aa3726f6112436764252a7dd8
Signature: ed25519:392cbbcccd5d3c7bf06ed97c8cb2de44674e4fb633f546769e1896e61c7b17823ac48cd8faad5d0afc4cc47f507f56ce135ecbfbad30d4d984aea27c4df90f01
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/catb.org