heureka.sk

Observed 2026-07-12T09:03:53.180Z (21h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Also usesGoogle Search ConsoleFacebook/Meta

96 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat heureka.sk actually stands on - every host below is a signed observation

heureka.sk

A / AAAA

172.64.154.132104.18.33.124

Cloudflareserves the site

rajeev.ns.cloudflare.commarjory.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.comalt2.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active

HTTP status403

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time20 ms

DNS resolutionNOERROR

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

DNS Records

A 2

172.64.154.132
104.18.33.124

MX 5

1aspmx.l.google.com
10alt4.aspmx.l.google.com
10alt3.aspmx.l.google.com
5alt2.aspmx.l.google.com
5alt1.aspmx.l.google.com

TXT 9

google-site-verification=cdqrut0gKEPHOihv9MUbr0nL0HGYQ-dlQbIrSsK_Mek
v=spf1 include:_netblocks.heureka.cz -all
google-site-verification=QbkHok6Ji4ggbi2ZclfSR_BZPrkjXjyVE3rQ-I72quA
facebook-domain-verification=dmp3ru8g2rho7qxjd6yq5bg6f4jtef
ahrefs-site-verification_abe101f01f6a8a864bed9a4a7ce29024a59290561dd14a5f6cfceebca20b5e32
google-site-verification=Cw8Br7qS1Q9vIRNAJR2dV10yJ4tHEl1m1hkfYycSsVI
google-site-verification=p06ghI807f1VlR1cHb4cCowXo_N_4Yn73RVnTiJHF7I
v=DMARC1; p=quarantine; rua=mailto:re+clugsozudqz@dmarc.postmarkapp.com,mailto:dmarc+663283@smartemailing.cz,mailto:dmarc-rua@mailkit.com
v=DKIM1; (detected)

NS 2

rajeev.ns.cloudflare.com
marjory.ns.cloudflare.com

SOA 1

marjory.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 heureka.sk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: c1cf99bd-babf-4e2b-be59-1f5cf867ed1e
Output Hash: 2bf137602ef3daa41cbc046f27a9d90f39092eb149d0dcf2b9efb6947fb7013e
Signature: ed25519:566d037f0054cc5fbd4bde58a06affda28d2813e1bc81589dada98c2d5623742c9338463b4ee075321526fcefb014eee0ef6ba2d7c01020f79dc18ce30cac708
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/heureka.sk