richja.cz

Observed Jul 27, 2026, 04:16 UTC (6d 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 byZoho Mail

Secured byLet's Encrypt

domcop

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

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

richja.cz

A / AAAA

172.66.0.70

Cloudflareserves the site

ns.wedos.czns.wedos.euns.wedos.comns.wedos.net

wedos.cz + wedos.eu + moreanswers its DNS

mx.zoho.eumx2.zoho.eumx3.zoho.eu

Zoho Mailreceives its email

TLS

richja.cz

Let's Encryptissued its certificate

DNS Records

A 1

172.66.0.70

MX 3

10mx.zoho.eu
20mx2.zoho.eu
50mx3.zoho.eu

TXT 2

v=spf1 include:mailgun.org ~all
zoho-verification=zb86142608.zmverify.zoho.eu

NS 4

ns.wedos.cz
ns.wedos.eu
ns.wedos.com
ns.wedos.net

SOA 1

ns.wedos.net wedos.wedos.com

TLS Certificates (4)

Common Name	Issuer	Expires
`richja.cz`	C=US, O=Let's Encrypt, CN=YE1	Sun, 04 Oct 2026 02:25:58 +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

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

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

Ed25519 Receipt

Receipt ID: rcpt_b4a0cc3ad155216d
Output Hash: 7b782cc6ee5e4a6b7c34a870ff5c64ee03e51d85bfbadfb68feb4c2f7321a76c
Signature: ed25519:a73002ca6680b16ce0e70a6fb00accd578350ee449b888014a87d2190b7abe6ae5b462cccef5fb317df6104f0a4dedda4b3173cb9ec5f8965b970e67ef9c470e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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