ic.cz

Observed Jul 24, 2026, 19:30 UTC (8d 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 onVodafone Czech Republic a.s

Secured byLet's Encrypt

2 subdomains · tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat ic.cz actually stands on - every host below is a signed observation

ic.cz

A / AAAA

77.48.29.193

Vodafone Czech Republic a.sserves the site

ns6.ic.czns4.ic.cz

ic.czanswers its DNS

mail.ic.cz

ic.czreceives its email

TLS

ic.cz

Let's Encryptissued its certificate

DNS Records

A 1

77.48.29.193

MX 1

10mail.ic.cz

TXT 3

v=spf1 a mx include:spf.nubium.cz ip4:95.168.0.0/16 ip4:88.86.100.160/27 ip4:88.86.103.240/28 ip4:62.240.183.128/25 ip4:77.48.29.192/28 -all
v=DMARC1; p=quarantine; fo=0; sp=none
v=DMARC1; p=none;

NS 2

ns6.ic.cz
ns4.ic.cz

SOA 1

ns4.ic.cz info.ic.cz

TLS Certificates (3)

Common Name	Issuer	Expires
`ic.cz`	C=US, O=Let's Encrypt, CN=YR1	Tue, 08 Sep 2026 07:08:43 +0000
`YR1`	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 (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 ic.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_79a3159213827c04
Output Hash: c2978d3c0f8dc9c834191e06d02159140de7dc85a21fb793b6f88487e3ed9f1c
Signature: ed25519:8527f8cbd1dcf8f8847b802d9126afb528d301b4590d2cd44d2cb6008045f53a116d508b9cad09be31e950039e4f601ff84b771aa07c9509b96c8e6c35164c07
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/ic.cz