zvb.cz
Observed Jul 26, 2026, 22:15 UTC (7d 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
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zvb.cz actually stands on - every host below is a signed observation
zvb.cz
A / AAAA
62.109.151.982001:1ab0:7e1e:151::98
2001serves the site
NS
ns1.profitux.czns2.profitux.cz
profitux.czanswers its DNS
MX
backupmx.profitux.czmx.profitux.cz
profitux.czreceives its email
TLS
*.zvb.cz
Let's Encryptissued its certificate
DNS Records
A 1
62.109.151.98
AAAA 1
2001:1ab0:7e1e:151::98
MX 2
20backupmx.profitux.cz10mx.profitux.cz
TXT 9
v=spf1 a mx include:_spf.webglobe.com ~allgoogle-site-verification=ZpDPbTRY9Rb9HtdUAwkFfLZkQsMTh8Vp4_Ss2GR4Cdgv=DMARC1; p=none;v=spf1 a mx include:_spf.webglobe.com ~allgoogle-site-verification=ZpDPbTRY9Rb9HtdUAwkFfLZkQsMTh8Vp4_Ss2GR4Cdgv=spf1 a mx include:_spf.webglobe.com ~allgoogle-site-verification=ZpDPbTRY9Rb9HtdUAwkFfLZkQsMTh8Vp4_Ss2GR4Cdgv=spf1 a mx include:_spf.webglobe.com ~allgoogle-site-verification=ZpDPbTRY9Rb9HtdUAwkFfLZkQsMTh8Vp4_Ss2GR4Cdg
NS 2
ns1.profitux.czns2.profitux.cz
SOA 1
ns1.profitux.cz admin.zvb.cz
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.zvb.cz |
C=US, O=Let's Encrypt, CN=YR2 | Fri, 11 Sep 2026 09:33:17 +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
rcpt_6de02c7bbc751f9d- Output Hash
37fa38857a4f688e881921fa11498ebb2f926b348b75720966527d1c3cd7882b- Signature
ed25519:b1cd3dd8077759dfa559914eb438d31b445f795e11601bea575dbf509bd8f2ad86eeb7ca32a1867d3e6b29dec284accb2544c32c015b6f611316ac192276840f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast