CONTINUOUS INTERNET TELEMETRY24H DRIFT1,789 material changesacross 1,597 domains · -762 vs yesterdayDNS DRIFT14 domains changed DNS providertop destination selectel.ru · -2 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.com · +1 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,393 curated domains not answeringlast probe, steadyERRORS10,887 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT1,789 material changesacross 1,597 domains · -762 vs yesterdayDNS DRIFT14 domains changed DNS providertop destination selectel.ru · -2 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.com · +1 vs yesterdayCERT DRIFT1 domains switched issuing CA24h · -4 vs yesterdayNOW3,393 curated domains not answeringlast probe, steadyERRORS10,887 responded with an errorlast probe · 5xx / 404 / 429 / 403

google.cz

Observed 2026-07-14T04:57:22.761Z (4h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
IPv6 · 7 subdomains · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat google.cz actually stands on - every host below is a signed observation
google.cz
A / AAAA
142.251.219.352607:f8b0:4005:817::2003
Cloudflareserves the site
NS
ns2.google.comns3.google.comns4.google.comns1.google.com
google.comanswers its DNS
MX
smtp.google.com
Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 204 OK
HTTP status204
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time746 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

  • 142.251.219.35

AAAA 1

  • 2607:f8b0:4005:817::2003

MX 1

  • 0smtp.google.com

TXT 2

  • v=spf1 -all
  • v=DMARC1; p=reject; rua=mailto:mailauth-reports@google.com

NS 4

  • ns2.google.com
  • ns3.google.com
  • ns4.google.com
  • ns1.google.com

SOA 1

  • ns1.google.com dns-admin.google.com

CAA 1

  • issue pki.goog

TLS Certificates (0)

None.

Subdomains (7)

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 google.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
0c289a0d-d4d1-4e21-9315-24e3fea72ed4
Output Hash
bddc3def7ca7c9b547eed764ac2d02d67b727197edb50142962bd6ca78a6caa5
Signature
ed25519:8806f35937895d7f8e93ba3007887482a20c5103eda7c93b5cd2ec0406c1ffaacb57ae1efb84ffd1e737dfb6cc6de94c2019ae3c2c97d9d56af87a0585b5d904
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser