jens-classen.net
Observed Aug 16, 2026, 06:43 UTC (14h 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 bySectigo
SectigoRegistered withCronon GmbH
IPv6 · 1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jens-classen.net actually stands on - every host below is a signed observation
jens-classen.net
A / AAAA
81.169.145.1562a01:238:20a:202:1156::
2a01serves the site
NS
shades20.rzone.dedocks01.rzone.de
rzone.deanswers its DNS
MX
smtpin.rzone.de
rzone.dereceives its email
TLS
jens-classen.net
Sectigo Limitedissued its certificate
DNS Records
A 1
81.169.145.156
AAAA 1
2a01:238:20a:202:1156::
MX 1
5smtpin.rzone.de
NS 2
shades20.rzone.dedocks01.rzone.de
SOA 1
shades20.rzone.de hostmaster.strato-rz.de
SRV 1
autoconfigure.strato.de:443 p0
DMARC_RECORDS 1
v=DMARC1;p=reject;
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
jens-classen.net |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 | Wed, 25 Nov 2026 23:59:59 +0000 |
Sectigo Public Server Authentication CA DV R36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Fri, 21 Mar 2036 23:59:59 +0000 |
Sectigo Public Server Authentication Root R46 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Mon, 18 Jan 2038 23:59:59 +0000 |
USERTrust RSA Certification Authority |
C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services | Sun, 31 Dec 2028 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_7e0299e421634ba5- Output Hash
3506030baa01342147c582dc7efd3f41b20ae50fde95b13349b892eb56a80ede- Signature
ed25519:9c62a6474f71acbdd2183032d031e5de7f6ca09d2fd7788f58387f0d4cf7eb9524971eb3c92536f7e405f2220882608fa77843ac43398620f259f5fed16c930e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast