CONTINUOUS INTERNET TELEMETRY24H DRIFT3,093 material changesacross 2,835 domains · -305 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination cloudflare.com · -9 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,324 curated domains not answering-6,394 vs yesterdayERRORS10,910 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,093 material changesacross 2,835 domains · -305 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination cloudflare.com · -9 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,324 curated domains not answering-6,394 vs yesterdayERRORS10,910 responded with an errorlast probe · 5xx / 404 / 429 / 403

czbooks.net

Observed 2026-07-11T19:36:50.614Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Registered withNameSilo, LLC
IPv6 · 4 subdomains · tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat czbooks.net actually stands on - every host below is a signed observation
czbooks.net
A / AAAA
104.18.16.145104.18.17.1452606:4700::6812:10912606:4700::6812:1191
Cloudflareserves the site
NS
hank.ns.cloudflare.comemma.ns.cloudflare.com
cloudflare.comanswers its DNS

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time288 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 2

  • 104.18.16.145
  • 104.18.17.145

AAAA 2

  • 2606:4700::6812:1091
  • 2606:4700::6812:1191

NS 2

  • hank.ns.cloudflare.com
  • emma.ns.cloudflare.com

SOA 1

  • emma.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (4)

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 czbooks.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
86546170-e997-4a3a-9989-4030c45048eb
Output Hash
be7a8955100393766830ec112048d3698abc0d765bca3b5c38048d273a27e5cf
Signature
ed25519:cfdb3b71f4ef1e60a6a3dcb4cc4d86af5548465aae99e2e460f2f4c6553bc203f0cdf4f3dd9009932151b3e7f2bed5bc87b42f9f56d80bc5499b8c333e808d0d
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser