CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 35,866 material changesacross 35,253+ domains · 24h to ~4h ago · a floor, 20h of 24 walkedNOW561 curated domains not reachablelast probe, steadySITE ERRORS34,438 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,732 sites429 rate-limit / 403 bot-block, a posture signal

utf.cz

Observed Jul 26, 2026, 08:57 UTC (7d 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.

Up right now
Secured byLet's Encrypt
IPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat utf.cz actually stands on - every host below is a signed observation
utf.cz
A / AAAA
46.28.106.2002a02:2b88:1:4::fc
2a02serves the site
NS
ns.wedos.czns.wedos.euns.wedos.comns.wedos.net
wedos.cz + wedos.eu + moreanswers its DNS
MX
wes1-mx1.wedos.netwes1-mx2.wedos.netwes1-mx-backup.wedos.net
wedos.netreceives its email
TLS
utf.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 46.28.106.200

AAAA 1

  • 2a02:2b88:1:4::fc

MX 3

  • 1wes1-mx1.wedos.net
  • 1wes1-mx2.wedos.net
  • 10wes1-mx-backup.wedos.net

NS 4

  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.com
  • ns.wedos.net

SOA 1

  • ns.wedos.net wedos.wedos.com

TLS Certificates (3)

Common NameIssuerExpires
utf.cz C=US, O=Let's Encrypt, CN=YR2 Thu, 15 Oct 2026 00:45:49 +0000
YR2 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID
rcpt_5ead1f0287c59d74
Output Hash
0dd6dc569bc7b5fc43f8b2c78fc5bed5699fb1575e6ed5ce56e130b69c3b7fa4
Signature
ed25519:6852fea1a4b2eb0f76b2c0f9f0b54a9696f737d8d77bfb2c81a17c6fed442327016853d2ae4a8a1d75cc7cc9964dde272e765e564b4a34daee73751409837f0a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser