nc.de
Observed Jul 24, 2026, 01:29 UTC (2h 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
Runs onNetCologne Gesellschaft fur Telekommunikation mbH
Secured byLet's Encrypt
IPv6 · 1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nc.de actually stands on - every host below is a signed observation
nc.de
A / AAAA
213.168.87.272001:4dd0:100:1f00:80:0:12:5
NetCologne Gesellschaft fur Telekommunikation mbHserves the site
NS
ns1.netcologne.dens3.netcologne.de
netcologne.deanswers its DNS
TLS
nc.de
Let's Encryptissued its certificate
DNS Records
A 1
213.168.87.27
AAAA 1
2001:4dd0:100:1f00:80:0:12:5
NS 2
ns1.netcologne.dens3.netcologne.de
SOA 1
ns1.netcologne.de hostmaster.netcologne.de
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
nc.de |
C=US, O=Let's Encrypt, CN=YE1 | Sat, 03 Oct 2026 07:07:31 +0000 |
YE1 |
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_7e673da4212a6356- Output Hash
fc901dd2814fe824ea88de5bb603d1d07bffe1a1f6265321336a68ae24d2cf11- Signature
ed25519:4e24b217cbdde5c61270f48f77f6a5add08fc959f1b61c373e930fdabff2905f0ab7216d6c363211347e96ee0163e8df7b9d12bc13d36871e9932d033a990b09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast