vdv.cz

Observed Aug 2, 2026, 15:48 UTC (2h 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

Also usesGoogle Search Console

1 subdomain · tranco

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

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

vdv.cz

A / AAAA

62.109.151.57

unattributedserves the site

ns1.ignum.comns2.ignum.cz

ignum.com + ignum.czanswers its DNS

vdv-cz.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.vdv.cz

Let's Encryptissued its certificate

DNS Records

A 1

62.109.151.57

MX 1

10vdv-cz.mail.protection.outlook.com

TXT 3

MS=ms83915045
google-site-verification=VaGhuWOjitG3N8T4gRB1GjZLMMGFP46pgWO3OalU4c4
v=spf1 ip4:185.249.112.2 include:spf.protection.outlook.com include:spf.smartemailing.cz include:mailing.bitcarvers.com -all

NS 2

ns1.ignum.com
ns2.ignum.cz

SOA 1

ns1.ignum.com hostmaster.ignum.cz

DMARC_RECORDS 1

v=DMARC1; p=none; rua=mailto:dmarc+311286@smartemailing.cz; fo=1

TLS Certificates (3)

Common Name	Issuer	Expires
`www.vdv.cz`	C=US, O=Let's Encrypt, CN=YR2	Mon, 05 Oct 2026 23:03:51 +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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_a3656ddbd0e643d4
Output Hash: 87e601148f99e81ec45039b256ead3ec66c4fbe3684df0b4fff6b7a95a7bddbf
Signature: ed25519:a61f7a3f5a13bffa469b62096615ad5319b0abbdaefe42e65ef0b630d354cdd2652041458d29ad412cbf5188b30121badc05d38114eb377031b076b5ac841107
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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