CONTINUOUS INTERNET TELEMETRY24H DRIFT328 material changesacross 185 domains · +182 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ns2 · +3 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgNOW3,105 curated domains not answering-1,229 vs yesterdayERRORS25,269 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED90,157 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brNo nameservers in the latest observation24H DRIFT328 material changesacross 185 domains · +182 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ns2 · +3 vs yesterdayEMAIL DRIFT1 domain switched email providertop destination xn----8sbafg9clhjcp.bgNOW3,105 curated domains not answering-1,229 vs yesterdayERRORS25,269 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED90,157 throttled or blocked our scanner429 rate-limit / 403 bot-blockMOVERgov.brNo nameservers in the latest observation

nc.de

Observed Jul 21, 2026, 16:39 UTC (2h ago). Every field below was attested with an Ed25519 signature at scan time.

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.de
  • ns3.netcologne.de

SOA 1

  • ns1.netcologne.de hostmaster.netcologne.de

TLS Certificates (4)

Common NameIssuerExpires
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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for nc.de. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for nc.de <a href="https://domaindrift.io/t/nc.de"> <img src="https://domaindrift.io/badge/nc.de.svg" width="300" height="64" alt="DomainDrift signed observations for nc.de"> </a>

Ed25519 Receipt

Receipt ID
rcpt_c433bd83c0381e2f
Output Hash
950f98b8afb208d565f8dadb9b663126febd3d5b4f306fa05c9bdc9db24cbefc
Signature
ed25519:2419681576e4bc06ae91a5da7f1380a276416d328542c31e8cdbcdabab5da2363fa22d408630496548fb3bca310b17a00dadc724fe5b9236b734c4a447d8a003
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser