centrum.cz

Observed Jul 18, 2026, 12:48 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Secured bySectigo

Also usesGoogle Search Console

IPv6 · tranco_10k

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

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

centrum.cz

A / AAAA

46.255.231.1292a00:da80:e::129

Cloudflareserves the site

max.ns.cloudflare.compam.ns.cloudflare.com

cloudflare.comanswers its DNS

centrum-cz-10mx1.eco-mx.czcentrum-cz-10mx2.eco-mx.czcentrum-cz-20mx1.eco-mx.czcentrum-cz-20mx2.eco-mx.cz

eco-mx.czreceives its email

TLS

*.centrum.cz

Sectigo Limitedissued its certificate

DNS Records

A 1

46.255.231.129

AAAA 1

2a00:da80:e::129

MX 4

10centrum-cz-10mx1.eco-mx.cz
10centrum-cz-10mx2.eco-mx.cz
20centrum-cz-20mx1.eco-mx.cz
20centrum-cz-20mx2.eco-mx.cz

TXT 6

v=spf1 redirect=_spf.centrum.cz
amazonses:zhwnMMKwePHOMKAE378OO5hqbD1h+VXiQvh7TgZFkQc=
google-site-verification=MEKZYb6k-z494g7Hs87mlSjL71DkzAiQve-iZuM6a7U
google-site-verification=q6tA5OYkNydQyUnQ63ncTNYRw0rLgXO2ASHL9BwgA4w
google-site-verification=uOQOS8Qfjty5hHS3I9DCL5P_t11ujP4VVpi9bjvBxao
v=DMARC1; p=none; rua=mailto:dmarc@centrum.cz; ruf=mailto:dmarcf@centrum.cz

NS 2

max.ns.cloudflare.com
pam.ns.cloudflare.com

SOA 1

max.ns.cloudflare.com dns.cloudflare.com

SRV 2

imap.centrum.cz:993 p0
smtp.centrum.cz:587 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`*.centrum.cz`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36	Sun, 03 Jan 2027 23:59:59 +0000
`Sectigo Public Server Authentication CA DV R36`	C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46	Fri, 21 Mar 2036 23:59:59 +0000
`Sectigo Public Server Authentication Root R46`	C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority	Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (0)

None observed.

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

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

Ed25519 Receipt

Receipt ID: 1433c1ce-9623-434f-975a-f2c91c0aff30
Output Hash: 6f12f1b244a73687b67e2ce19e19b13dae3ff9bfea1f19ce3af5dc0702b0cf45
Signature: ed25519:3ef695ad07ab2f8d39f0e0d3d043636747f37f7376ff99e9783921157bc9efb88589f6c838d74714a7745b95aad48685f68e693af4522caaa26a44a17408280e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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