zbook.org

Observed Jul 27, 2026, 20:11 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onCloudflare

Secured byGoogle Trust Services

IPv6 · domcop

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

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

zbook.org

A / AAAA

172.67.188.3104.21.7.2062606:4700:3031::ac43:bc032606:4700:3030::6815:7ce

Cloudflareserves the site

fatima.ns.cloudflare.comkurt.ns.cloudflare.com

cloudflare.comanswers its DNS

mx10.antispam.mailspamprotection.commx20.antispam.mailspamprotection.commx30.antispam.mailspamprotection.com

mailspamprotection.comreceives its email

TLS

zbook.org

Google Trust Servicesissued its certificate

DNS Records

A 2

172.67.188.3
104.21.7.206

AAAA 2

2606:4700:3031::ac43:bc03
2606:4700:3030::6815:7ce

MX 3

10mx10.antispam.mailspamprotection.com
20mx20.antispam.mailspamprotection.com
30mx30.antispam.mailspamprotection.com

NS 2

fatima.ns.cloudflare.com
kurt.ns.cloudflare.com

SOA 1

fatima.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`zbook.org`	C=US, O=Google Trust Services, CN=WE1	Sun, 20 Sep 2026 16:17:18 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 zbook.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_9f20fddb00ef19b4
Output Hash: b207afdc05513ba55c86c426835cb2624abaf5a4fcb067e016d1fbd02bb6bd19
Signature: ed25519:da2db8a2390839511619ac2e4717b3e18742f953dc817ef8c061299ec10fa7194055ee3c03e456ed7f2facce086453065113193fe70763639e3a965f7c443e02
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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