yubb.de
Observed Aug 2, 2026, 18:59 UTC (18h 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.
Not responding
Secured byLet's Encrypt
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yubb.de actually stands on - every host below is a signed observation
yubb.de
A / AAAA
85.13.157.140
unattributedserves the site
NS
ns4.kasserver.comns3.kasserver.com
kasserver.comanswers its DNS
MX
v029390.kasserver.com
kasserver.comreceives its email
TLS
yubb.de
Let's Encryptissued its certificate
DNS Records
A 1
85.13.157.140
MX 1
10v029390.kasserver.com
TXT 1
v=spf1 a mx ~all
NS 2
ns4.kasserver.comns3.kasserver.com
SOA 1
ns3.kasserver.com hostmaster.kasserver.com
DMARC_RECORDS 1
v=DMARC1;p=none;rua=mailto:postmaster@yubb.de
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
yubb.de |
C=US, O=Let's Encrypt, CN=YE2 | Thu, 01 Oct 2026 21:55:28 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_0104cde76b83663a- Output Hash
0d312163afa7a8f4720845b09284e737ef7ec986c8063c8eb7f464579811513e- Signature
ed25519:a50b46285b4a5ab1f1b32ba5aac756aa447c53d5815d718fc045b932e37a1b31e0c1524a248b3791b1752f1f4b94d4981174f6b3701f340cff09c8c570337a05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast