CONTINUOUS INTERNET TELEMETRY24H DRIFT2,977 material changesacross 2,699 domains · -421 vs yesterdayDNS DRIFT19 domains changed DNS providertop destination cloudflare.com · -8 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.comCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,325 curated domains not answering-6,393 vs yesterdayERRORS10,952 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,977 material changesacross 2,699 domains · -421 vs yesterdayDNS DRIFT19 domains changed DNS providertop destination cloudflare.com · -8 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.comCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,325 curated domains not answering-6,393 vs yesterdayERRORS10,952 responded with an errorlast probe · 5xx / 404 / 429 / 403

radio.cz

Observed 2026-07-13T06:27:38.518Z (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Also usesFacebook/Meta
5 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat radio.cz actually stands on - every host below is a signed observation
radio.cz
A / AAAA
195.113.180.104
Cloudflareserves the site
NS
susan.ns.cloudflare.comwest.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
ddei2.cro.czddei1.cro.cz
cro.czreceives its email

HTTPS probe

redirect Redirecting (3xx) 302 → https://www.radio.cz/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time183 ms
DNS resolutionNOERROR
Redirect chain
https://www.radio.cz/

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

DNS Records

A 1

  • 195.113.180.104

MX 2

  • 20ddei2.cro.cz
  • 10ddei1.cro.cz

TXT 3

  • facebook-domain-verification=d7bnp3y05f8g97memfmmz0kai97b81
  • v=spf1 a mx a:mail.radio.cz ip4:195.113.180.29 ip4:195.113.180.30 ~all
  • v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc-reports@rozhlas.cz

NS 2

  • susan.ns.cloudflare.com
  • west.ns.cloudflare.com

SOA 1

  • susan.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (5)

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

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

Ed25519 Receipt

Receipt ID
34fb0257-95d2-413e-b300-266aa8dfbbc9
Output Hash
424048feef218e09ff2f101142733997aa50558203a825c6b444759a8fbf34df
Signature
ed25519:eb4840b4da821cc62ff2c657172aa482a3d898655095493e02d419ed52c71bd881e69ee3a62213298d1fd3953b9bfd8e0354cecff361908f0fe077a6a9491109
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser