risy.cz

Observed Jul 28, 2026, 09:45 UTC (1d 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

Secured byLet's Encrypt

1 subdomain · majestic

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

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

risy.cz

A / AAAA

161.35.71.181

unattributedserves the site

ns1.ignum.comns2.ignum.cz

ignum.com + ignum.czanswers its DNS

unixe.mmr.czunixe2.mmr.cz

mmr.czreceives its email

TLS

risy.cz

Let's Encryptissued its certificate

DNS Records

A 1

161.35.71.181

MX 2

10unixe.mmr.cz
20unixe2.mmr.cz

NS 2

ns1.ignum.com
ns2.ignum.cz

SOA 1

ns1.ignum.com hostmaster.ignum.cz

TLS Certificates (4)

Common Name	Issuer	Expires
`risy.cz`	C=US, O=Let's Encrypt, CN=YE2	Wed, 30 Sep 2026 08:06:55 +0000
`YE2`	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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_dc0e400faa2e5a6d
Output Hash: 2eec49e682eb8d0931256a9079a7d2e987b5a1376a2c3c28da557740b3a1f0cf
Signature: ed25519:fda627b3588dcd61d7993f8aa28a591a173dcdec5499529e2b132e03910fb869b69d0e220224fcc20808f5bbf8e618287e4ce8fc072931d107489f8775d6c200
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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