cssz.cz

Observed 2026-07-13T15:31:28.970Z (5h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

IPv6 · 6 subdomains · tranco_40k

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

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

cssz.cz

A / AAAA

91.195.106.1692001:af0:fff4:ee02::28

Cloudflareserves the site

dns4.cssz.czdns.cssz.czsdns.zarea.netdns3.cssz.cz+1 more

cssz.cz + zarea.netanswers its DNS

mail01-xx.cssz.czmail01-2x.cssz.cz

cssz.czreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.cssz.cz

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1547 ms

DNS resolutionNOERROR

Redirect chain

https://www.cssz.cz

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

91.195.106.169

AAAA 1

2001:af0:fff4:ee02::28

MX 2

5mail01-xx.cssz.cz
5mail01-2x.cssz.cz

TXT 5

MS=2CF98050E96802325B1680B23D9F730C95C1915D
MS=ms27067971
v=spf1 mx exp=spf-explain.cssz.cz ~all
v=DMARC1; p=none; rua=mailto:dmarc-reporty@cssz.cz; sp=quarantine; ri=86400
v=DNSSEC1; (detected)

NS 5

dns4.cssz.cz
dns.cssz.cz
sdns.zarea.net
dns3.cssz.cz
dns2.cssz.cz

SOA 1

dns.cssz.cz postmaster.cssz.cz

TLS Certificates (0)

None.

Subdomains (6)

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

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

Ed25519 Receipt

Receipt ID: 150b6e57-3cda-4105-99e4-54489d9c157b
Output Hash: dfb4713cdd90b826fa2a5c1f126ce22180414339bd8335a64cc79cf730fd6744
Signature: ed25519:1b2d1f306e30bf257820c7b0d825205938545d7842e7e7696b95406fa73bf4481e41ed55b1f0201a469d04a485afcc471268f45150fae7225004920d1c1a5103
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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