CONTINUOUS INTERNET TELEMETRY24H DRIFT31,420 material changesacross 29,745 domains · last 24hSHIFT20 domains moved DNS from brainydns.com to koaladns.coma coordinated move · 24hNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,183 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,263 sites429 rate-limit / 403 bot-block, a posture signal

uoou.cz

Observed Aug 3, 2026, 00:53 UTC (1d 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.

Verify this receipt yourself + Watch this domain
Up right now
Runs onVSHOSTING-CDN
Email byMicrosoft 365
Secured byDigiCert
Also usesGoogle Search ConsoleAtlassian
IPv6 · 1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uoou.cz actually stands on - every host below is a signed observation
uoou.cz
A / AAAA
217.16.184.422a00:1ed0:123::b
VSHOSTING-CDNserves the site
NS
ns1.ignum.comns2.ignum.cz
ignum.com + ignum.czanswers its DNS
MX
uoou-cz.u-v1.mx.microsoft
Microsoft 365receives its email
TLS
uoou.gov.cz
DigiCert Incissued its certificate

DNS Records

A 1

  • 217.16.184.42

AAAA 1

  • 2a00:1ed0:123::b

MX 1

  • 0uoou-cz.u-v1.mx.microsoft

TXT 5

  • _kk1eqmceysqi70f0tyypwch01rdfhq8
  • google-site-verification=N9Y5XO5-AeF2HLMjr3asb0sYpmkT0VHwG3bQmE9Wdfs
  • atlassian-sending-domain-verification=d6602935-7698-4424-b6a3-db8f3655b120
  • atlassian-domain-verification=jwcO9QWvJeaicJpUr/iLA7/HmkGpx0nueTZNRcpYugWoI0PCQ8V5znBpoDClRq4T
  • v=spf1 ip4:217.16.184.42 ip4:23.88.116.92 ip4:159.69.184.66 ip4:9.141.28.129 ip4:80.95.253.224/27 include:spf.protection.outlook.com -all

NS 2

  • ns1.ignum.com
  • ns2.ignum.cz

SOA 1

  • ns1.ignum.com hostmaster.ignum.cz

CAA 2

  • issue "digicert.com"
  • issue "letsencrypt.org"

DMARC_RECORDS 1

  • v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email

TLS Certificates (2)

Common NameIssuerExpires
uoou.gov.cz C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=Thawte TLS RSA CA G1 Fri, 13 Nov 2026 23:59:59 +0000
Thawte TLS RSA CA G1 C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 Tue, 02 Nov 2027 12:24:25 +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.

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Ed25519 Receipt

Receipt ID
rcpt_093f70334320e111
Output Hash
3ffd906269a7525318f970fcbe4b8c903c7b2e68486727dd2c3ad29f7c990ba2
Signature
ed25519:dbc9826237dcf59f6d3b31f0a6c5cce8f557936df2094a974e5b2fd4cd7b78ea31421bd0f26cad68763aa78075ab711903f010d4ca2ed0ffee13cc22b4d7560b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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