jizerskaops.cz
Observed Aug 16, 2026, 07:56 UTC (21h 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
Let's EncryptRegistered withREG-INTERNET-CZ
IPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for jizerskaops.cz in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat jizerskaops.cz actually stands on - every host below is a signed observation
jizerskaops.cz
A / AAAA
88.86.102.32a01:28:ca:110:10:2:0:8
2a01serves the site
NS
ns.forpsi.czns.forpsi.itns.forpsi.net
forpsi.cz + forpsi.it + moreanswers its DNS
MX
posta.gc-system.cz
gc-system.czreceives its email
TLS
jizerskaops.cz
Let's Encryptissued its certificate
DNS Records
A 1
88.86.102.3
AAAA 1
2a01:28:ca:110:10:2:0:8
MX 1
10posta.gc-system.cz
TXT 1
v=spf1 a mx include:spfa.gc-system.cz ~all
NS 3
ns.forpsi.czns.forpsi.itns.forpsi.net
SOA 1
ns.forpsi.net admin.forpsi.com
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:abuse@gc-system.cz;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jizerskaops.cz |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 27 Oct 2026 01:10:22 +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 (1)
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_95f395b8f104b496- Output Hash
91893f68ffdcac7ad34caed7c7634ad9bbb0c454fb64a2246e07bf71c72f9211- Signature
ed25519:3a466642700e1d5fc5e78cc8f1ea7f2f71fef11f9a52896c6a840ac205cedfb24f5eba72f2d82313be00f442ac3478b55e50e72946f4101abab6eb4c19f2790e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast