kupi.cz

Observed 2026-07-12T23:52:10.074Z (3h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesGoogle Search Console

96 subdomains · tranco_10k

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

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

kupi.cz

A / AAAA

217.16.189.230

Cloudflareserves the site

curt.ns.cloudflare.comnicole.ns.cloudflare.com

cloudflare.comanswers its DNS

alt2.aspmx.l.google.comaspmx3.googlemail.comaspmx2.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

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

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time895 ms

DNS resolutionNOERROR

Redirect chain

https://www.kupi.cz/

MCP This domain advertises an AI service endpoint at _mcp._tcp.

v=spf1 mx include:_spf.google.com include:spf.mandrillapp.com include:servers.mcsv.net ip4:217.16.185.0/24 ip4:93.185.103.101/32  ip4:217.16.189.0/24 ~all

google-site-verification=EL4H5AqixVM1zoR0DE0jpH3h3vGZmZ0EEc07I12gAxA google-site-verification=oKZnCK-djhDHNH9mbuW4JkyYxVWS5FYXInznoe8UwNs

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

DNS Records

A 1

217.16.189.230

MX 5

5alt2.aspmx.l.google.com
10aspmx3.googlemail.com
10aspmx2.googlemail.com
5alt1.aspmx.l.google.com
1aspmx.l.google.com

TXT 9

v=spf1 mx include:_spf.google.com include:spf.mandrillapp.com include:servers.mcsv.net ip4:217.16.185.0/24 ip4:93.185.103.101/32 ip4:217.16.189.0/24 ~all
google-site-verification=EL4H5AqixVM1zoR0DE0jpH3h3vGZmZ0EEc07I12gAxA
google-site-verification=oKZnCK-djhDHNH9mbuW4JkyYxVWS5FYXInznoe8UwNs
v=DMARC1; p=none; pct=100; rua=mailto:re+c53nt6k6ov6@dmarc.postmarkapp.com; sp=none; aspf=r;
v=DKIM1; (detected)
google-site-verification=EL4H5AqixVM1zoR0DE0jpH3h3vGZmZ0EEc07I12gAxA
v=spf1 mx include:_spf.google.com include:spf.mandrillapp.com include:servers.mcsv.net ip4:217.16.185.0/24 ip4:93.185.103.101/32 ip4:217.16.189.0/24 ~all
google-site-verification=oKZnCK-djhDHNH9mbuW4JkyYxVWS5FYXInznoe8UwNs
v=DNSSEC1; (detected)

NS 2

curt.ns.cloudflare.com
nicole.ns.cloudflare.com

SOA 1

curt.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (96)

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

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

Ed25519 Receipt

Receipt ID: 492e4c11-8b33-4a1f-99c2-e1cf868d3a4f
Output Hash: a5ce7566e6e5beeb7a96cd812fabeb6d883f2c82f03f28bac5ce337276171970
Signature: ed25519:8fc66e09d36f5fb433bc96915d2ef863c4c864d6fa549e84aca436fd0f88f2a55c34dd0959f882b6d76fc2a510e03ca74a2285fc09d8463b25c2f70f5e96460c
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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