rybnik.eu
Observed Aug 16, 2026, 19:37 UTC (18m 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 Encrypt1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rybnik.eu actually stands on - every host below is a signed observation
rybnik.eu
A / AAAA
157.180.8.203
unattributedserves the site
NS
ns1.um.rybnik.plns1.leon.plns2.um.rybnik.pl
rybnik.pl + leon.planswers its DNS
MX
mx.um.rybnik.pl
rybnik.plreceives its email
TLS
rybnik.eu
Let's Encryptissued its certificate
DNS Records
A 1
157.180.8.203
MX 1
4mx.um.rybnik.pl
TXT 2
v=spf1 a:mail.um.rybnik.pl a:mx.um.rybnik.pl -allmojecertpl-site-verification-E6whqKBinrokc3m1mm8HzLPPEu58Vlnp
NS 3
ns1.um.rybnik.plns1.leon.plns2.um.rybnik.pl
SOA 1
ns1.um.rybnik.pl hostmaster.um.rybnik.pl
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:administrator@rybnik.eu
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rybnik.eu |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 27 Oct 2026 18:08:55 +0000 |
YR1 |
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_71c947f28cb1ad71- Output Hash
10a1e800bfc56be7a1a2b1459d3084efa1265afc381d22522da85a32c8c0c6db- Signature
ed25519:919ede7be8f850c3e6a8ca582f5e931547df5f899e670072918db85f09e7ee17d9ac38d097a392074ba77c2c0c60703a75c149acbb99705b7f92bc79a741f604- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast