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ecn.cz

Observed Jul 28, 2026, 22:27 UTC (16h 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
Also usesGoogle Search Console
IPv6 · 2 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ecn.cz actually stands on - every host below is a signed observation
ecn.cz
A / AAAA
80.79.31.1362a01:430:56::136
2a01serves the site
NS
ns1.ecn.czns2.ecnstudio.cz
ecn.cz + ecnstudio.czanswers its DNS
MX
ecn4.ecn.czecn3.ecn.cz
ecn.czreceives its email
TLS
ecnstudio.cz
Let's Encryptissued its certificate

DNS Records

A 1

  • 80.79.31.136

AAAA 1

  • 2a01:430:56::136

MX 2

  • 10ecn4.ecn.cz
  • 30ecn3.ecn.cz

TXT 5

  • google-site-verification=6dtV_g8PpCi_cvG8sZnw9s1-jYW782SCqYWkUDL_6yc
  • v=spf1 ip4:80.79.31.143 ip4:80.79.31.4 ip4:80.79.31.136/32 ip4:78.46.175.93 ip6:2a01:4f8:c17:917::2 ip6:2a01:430:56::/64 mx:ecn.cz ip6:2a01:6400:104:29::/64 ip4:80.92.246.61/32 ip4:84.42.240.38 ip4:217.28.82.54/32 ip6:2a02:28a8:ec42::/48 ~all
  • v=DMARC1; p=quarantine; fo=1; rua=mailto:ecnstudio-d@dmarc.report-uri.com; ruf=mailto:postmaster-dmarc@ecn.cz
  • v=BIMI1; l=https://webservis.ecn.cz/static/img/logo_BIMI.svg; a=;
  • v=STSv1; id=20190412T142500;

NS 2

  • ns1.ecn.cz
  • ns2.ecnstudio.cz

SOA 1

  • ns1.ecn.cz hostmaster.ecn.cz

SRV 3

  • autoconfig.ecn.cz:443 p0
  • pop.ecn.cz:993 p0
  • smtp.ecn.cz:587 p0

CAA 2

  • iodef "mailto:hostmaster@ecn.cz"
  • issue "letsencrypt.org"

TLS Certificates (4)

Common NameIssuerExpires
ecnstudio.cz C=US, O=Let's Encrypt, CN=YE1 Fri, 09 Oct 2026 07:13:29 +0000
YE1 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (2)

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

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

Ed25519 Receipt

Receipt ID
rcpt_969f136137c83b52
Output Hash
89f0d5fe2839a54d9f54101b537a2ece961224f2860c74572a4d4f13088e22d7
Signature
ed25519:242298f24e17008047d9c94d7fc79e9665deeee0b23756948ba0430472afbc5c146b137118da5b64b1e1b1f0460df18c054dfe26650126084fe9f5cc445d5a05
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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