jvc.cz

Observed Jul 21, 2026, 19:46 UTC (2d 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 onThe Constant Company

Secured byLet's Encrypt

push_legacy

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

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

jvc.cz

A / AAAA

78.141.239.248

The Constant Companyserves the site

gamma1.rdrhost.comgamma2.rdrhost.com

rdrhost.comanswers its DNS

mail.parktons.com

parktons.comreceives its email

TLS

*.jvc.cz

Let's Encryptissued its certificate

DNS Records

A 1

78.141.239.248

MX 1

10mail.parktons.com

NS 2

gamma1.rdrhost.com
gamma2.rdrhost.com

SOA 1

ns.parktons.com root.parktons.com

TLS Certificates (5)

Common Name	Issuer	Expires
`*.jvc.cz`	C=US, O=Let's Encrypt, CN=YE1	Tue, 08 Sep 2026 02:22:40 +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
`R3`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Mon, 15 Sep 2025 16:00:00 +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 jvc.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_a823ddeaf6417159
Output Hash: 54e6c6fc025f8dc6f97ebfb57fcdca3e85255be9ba89b37b54914a54b615c14a
Signature: ed25519:5c645f620ef39b3e4e93eec634f834b82e6811fd8adab1c6f05367501da58f319f7c3cac47aadd463c8ff361328d1a26a213a504565af95d9a43d097cd3b4d03
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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