centrum.sk
Observed Jul 24, 2026, 19:26 UTC (8d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Runs onCloudflare
Secured byGoogle Trust Services
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat centrum.sk actually stands on - every host below is a signed observation
centrum.sk
A / AAAA
104.26.12.69104.26.13.69172.67.71.1242606:4700:20::681a:c45+2 more
Cloudflareserves the site
NS
erin.ns.cloudflare.comchuck.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
nm-sk-10mx1.eco-mx.cznm-sk-10mx2.eco-mx.cznm-sk-20mx1.eco-mx.cznm-sk-20mx2.eco-mx.cz
eco-mx.czreceives its email
TLS
centrum.sk
Google Trust Servicesissued its certificate
DNS Records
A 3
104.26.12.69104.26.13.69172.67.71.124
AAAA 3
2606:4700:20::681a:c452606:4700:20::681a:d452606:4700:20::ac43:477c
MX 4
10nm-sk-10mx1.eco-mx.cz10nm-sk-10mx2.eco-mx.cz20nm-sk-20mx1.eco-mx.cz20nm-sk-20mx2.eco-mx.cz
TXT 1
v=spf1 redirect=_spf.centrum.cz
NS 2
erin.ns.cloudflare.comchuck.ns.cloudflare.com
SOA 1
chuck.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
centrum.sk |
C=US, O=Google Trust Services, CN=WE1 | Mon, 21 Sep 2026 23:27:38 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_cbeda631a8707f9d- Output Hash
e4e8723ba0ff266ae023e33a1b89b8e95f068d1c5c1193da9c42a7a2f338f826- Signature
ed25519:2ff69ab5b10aa65a567a57617418b781e7cabb117b643acfb4db5429b4c1ecd865acc0f18378deb87faa2d7eb3865a563e1fa9d32b9c1254e664655fc7affd03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast