dusanrychnovsky.cz

Observed Jul 27, 2026, 04:15 UTC (5d 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.

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Up right now

Secured byLet's Encrypt

1 subdomain · domcop

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

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

dusanrychnovsky.cz

A / AAAA

185.199.108.153185.199.109.153185.199.110.153185.199.111.153

unattributedserves the site

ns.endora.czns.endoraland.com

endora.cz + endoraland.comanswers its DNS

mail.endora.cz

endora.czreceives its email

TLS

dusanrychnovsky.cz

Let's Encryptissued its certificate

DNS Records

A 4

185.199.108.153
185.199.109.153
185.199.110.153
185.199.111.153

MX 1

5mail.endora.cz

NS 2

ns.endora.cz
ns.endoraland.com

SOA 1

ns.endora.cz admin.dusanrychnovsky.cz

TLS Certificates (3)

Common Name	Issuer	Expires
`dusanrychnovsky.cz`	C=US, O=Let's Encrypt, CN=YR1	Mon, 12 Oct 2026 05:21:55 +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.dusanrychnovsky.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 dusanrychnovsky.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_d9985e21732243b2
Output Hash: a66463555cc005d5d4196d06d2a257b435f164c8baf0e2878ae9d9e20277e16f
Signature: ed25519:03ba31894d2a5a6ac646f60e37eea3496c30318648238dad4fa4b53b481bfd2e58c660cb498b6848e267cd057ae00d22f131640f67b783dfd10bcfbb3c38c906
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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