vcd.cz

Observed Jul 25, 2026, 20:24 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

Email byMicrosoft 365

Secured byLet's Encrypt

1 subdomain · tranco

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

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

vcd.cz

A / AAAA

62.109.142.51

unattributedserves the site

ns.web4u.czns2.web4u.cz

web4u.czanswers its DNS

vcd-cz.mail.protection.outlook.com

Microsoft 365receives its email

TLS

vcd.cz

Let's Encryptissued its certificate

DNS Records

A 1

62.109.142.51

MX 1

0vcd-cz.mail.protection.outlook.com

TXT 3

MS=ms51176505
_la30b6ve1san1hf7irueflnh3inwda8
v=spf1 include:sparkpostmail.com include:spf.protection.outlook.com ip4:188.75.160.70 ip4:185.64.219.201 ip4:185.64.219.221 ip4:217.16.180.223 a:mail1.colosseum.eu a mx -all

NS 2

ns.web4u.cz
ns2.web4u.cz

SOA 1

ns.web4u.cz admin.web4u.cz

TLS Certificates (3)

Common Name	Issuer	Expires
`vcd.cz`	C=US, O=Let's Encrypt, CN=YR1	Sun, 27 Sep 2026 11:20:32 +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 (1)

www.vcd.cz

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

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

Ed25519 Receipt

Receipt ID: rcpt_97ec2ef8f97d534c
Output Hash: 5ca68bf723591d6e7212573e7282428ff93bb1af4d45080393a6a205509150a0
Signature: ed25519:b427155311868822c617175441deb53e33f5b9b80515cceb089925b4a03fbf7cfdea223863794bc99e7bbc7d7ec2560cc49507b96545c28467f6b76131b02608
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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