vb.cz

Observed Jul 26, 2026, 09:02 UTC (7d 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 onCloudflare

Email byMailgun

Secured byLet's Encrypt

majestic

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

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

vb.cz

A / AAAA

77.78.104.3

Cloudflareserves the site

ns.gransy.comns2.gransy.comns3.gransy.comns5.gransy.com+1 more

gransy.comanswers its DNS

mail.gransy.com

Mailgunreceives its email

TLS

vb.cz

Let's Encryptissued its certificate

DNS Records

A 1

77.78.104.3

MX 1

10mail.gransy.com

TXT 2

v=spf1 include:mailgun.org ~all
v=DMARC1; p=none; rua=mailto:dmarc@vb.cz; ruf=mailto:dmarc@vb.cz; aspf=r; adkim=r

NS 5

ns.gransy.com
ns2.gransy.com
ns3.gransy.com
ns5.gransy.com
ns4.gransy.com

SOA 1

ns.gransy.com root.gransy.com

TLS Certificates (3)

Common Name	Issuer	Expires
`vb.cz`	C=US, O=Let's Encrypt, CN=YR2	Mon, 12 Oct 2026 06:22:42 +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 (0)

None observed.

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

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

Ed25519 Receipt

Receipt ID: rcpt_490117ea1ca2d90e
Output Hash: a08dbf1386f6d59191a5fa6c21e690025286cd961105dde2e742a9978c520e47
Signature: ed25519:a0e75c8f4af204d2f31687069efe9df305889e74ce51b76252681cf0972ed16d25c3a00ea36177b40968187061d02d07b9a7da37983f4ce9faa6d0d3bfacbb04
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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