CONTINUOUS INTERNET TELEMETRY24H DRIFT308 material changesacross 259 domains · -350 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,543 curated domains not answering+714 vs yesterdayERRORS23,146 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED64,294 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT308 material changesacross 259 domains · -350 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,543 curated domains not answering+714 vs yesterdayERRORS23,146 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED64,294 throttled or blocked our scanner429 rate-limit / 403 bot-block

blesk.cz

Observed Jul 18, 2026, 12:39 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onRingier Slovakia Media s.r.o
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesFacebook/MetaGoogle Search Console
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat blesk.cz actually stands on - every host below is a signed observation
blesk.cz
A / AAAA
91.235.52.165
Ringier Slovakia Media s.r.oserves the site
NS
josephine.ns.cloudflare.comrick.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comonlinedev.cncenter.czonlineweb.cncenter.czalt1.aspmx.l.google.com+3 more
Google Workspacereceives its email
TLS
blesk.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 91.235.52.165

MX 7

  • 10aspmx.l.google.com
  • 100onlinedev.cncenter.cz
  • 100onlineweb.cncenter.cz
  • 20alt1.aspmx.l.google.com
  • 20alt2.aspmx.l.google.com
  • 30aspmx2.googlemail.com
  • 30aspmx3.googlemail.com

TXT 4

  • facebook-domain-verification=wfcm40rgdf371lexv8af2vt9asl67m
  • google-site-verification=Fh3MVqtpo01eXzT6zbRgW9myeLnSmOf6JMnFoIt-bwc
  • google-site-verification=YpqzTytyg6xBnityOSxbaaE63MofvDuf1LoS7orI__8
  • v=spf1 include:_spf.google.com mx ip4:207.126.144.0/20 ip4:91.235.52.159 ip4:91.235.52.160 ~all

NS 2

  • josephine.ns.cloudflare.com
  • rick.ns.cloudflare.com

SOA 1

  • josephine.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
blesk.cz C=US, O=Let's Encrypt, CN=YR2 Tue, 22 Sep 2026 12:16:59 +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 (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 blesk.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
ea13d59a-e4b7-4a46-98c5-d841aefc010e
Output Hash
d37a99316353406a78086f4b2b8a3230e4fb0c7cd432f5439383a82778f23ef8
Signature
ed25519:a781d30871088dc031507b2082bde991e5a0c1c6cf6e1795c7e5707fc70628d5e0692d6fe9032efb2c5cc4618b5e8971a0f2d2ac7654288cc38fd824d08f4a06
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
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