blesk.cz
Observed Jul 18, 2026, 12:39 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onRingier Slovakia Media s.r.o
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesFacebook/MetaGoogle Search Console
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat blesk.cz actually stands on - every host below is a signed observation
blesk.cz
A / AAAA
91.235.52.165
Ringier Slovakia Media s.r.oserves the site
NS
josephine.ns.cloudflare.comrick.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comonlinedev.cncenter.czonlineweb.cncenter.czalt1.aspmx.l.google.com+3 more
Google Workspacereceives its email
TLS
blesk.cz
Let's Encryptissued its certificate
DNS Records
A 1
91.235.52.165
MX 7
10aspmx.l.google.com100onlinedev.cncenter.cz100onlineweb.cncenter.cz20alt1.aspmx.l.google.com20alt2.aspmx.l.google.com30aspmx2.googlemail.com30aspmx3.googlemail.com
TXT 4
facebook-domain-verification=wfcm40rgdf371lexv8af2vt9asl67mgoogle-site-verification=Fh3MVqtpo01eXzT6zbRgW9myeLnSmOf6JMnFoIt-bwcgoogle-site-verification=YpqzTytyg6xBnityOSxbaaE63MofvDuf1LoS7orI__8v=spf1 include:_spf.google.com mx ip4:207.126.144.0/20 ip4:91.235.52.159 ip4:91.235.52.160 ~all
NS 2
josephine.ns.cloudflare.comrick.ns.cloudflare.com
SOA 1
josephine.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
blesk.cz |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 22 Sep 2026 12:16:59 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 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 receiptEd25519 Receipt
- Receipt ID
ea13d59a-e4b7-4a46-98c5-d841aefc010e- Output Hash
d37a99316353406a78086f4b2b8a3230e4fb0c7cd432f5439383a82778f23ef8- Signature
ed25519:a781d30871088dc031507b2082bde991e5a0c1c6cf6e1795c7e5707fc70628d5e0692d6fe9032efb2c5cc4618b5e8971a0f2d2ac7654288cc38fd824d08f4a06- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast