blueboard.cz

Observed 2026-07-12T12:09:55.124Z (14h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byZendesk

Also usesGoogle Search Console

IPv6 · tranco_40k

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

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

blueboard.cz

A / AAAA

178.251.187.82a00:1ed0:45::c

Cloudflareserves the site

shinzon.blueboard.czns2.blueboard.cz

blueboard.czanswers its DNS

antispam.blueboard.cz

Zendeskreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://hosting.blueboard.cz/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1133 ms

DNS resolutionNOERROR

Redirect chain

https://hosting.blueboard.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

178.251.187.8

AAAA 1

2a00:1ed0:45::c

MX 1

10antispam.blueboard.cz

TXT 3

google-site-verification=ZigEASBKPB8kbaIKx4bd2JLvy-CZTehDGv0xbcne_K0
v=spf1 a mx include:spf.blueboard.cz include:mail.zendesk.com -all
MS=FB6BF63A47BA99D8A816EA2B4431588F1E5DF492

NS 2

shinzon.blueboard.cz
ns2.blueboard.cz

SOA 1

shinzon.blueboard.cz hostmaster.blueboard.cz

TLS Certificates (0)

None.

Subdomains (9)

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

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

Ed25519 Receipt

Receipt ID: 0fe1d04a-6975-44c1-b2b4-dc48ff02c9f3
Output Hash: 1f99165aa0df9db5b650f90584691d7708cc8c7c48f5a04efda0650ce0fbc5fa
Signature: ed25519:b0a4222df0d3a7ab80b39c5dcb03adfbdfee9ade4b8b76c9f41a16faea32a315b49912e6da002a05216eb23b28a29916084accde56416b3875d60912abf12807
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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