CONTINUOUS INTERNET TELEMETRY24H DRIFT921 material changesacross 746 domains · +775 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination cloudflare.com · +25 vs yesterdayEMAIL DRIFT9 domains switched email providertop destination outlook.com · +8 vs yesterdayCERT DRIFT23 domains switched issuing CA24h · +22 vs yesterdayNOW2,670 curated domains not answering-1,664 vs yesterdayERRORS23,968 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED90,543 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT921 material changesacross 746 domains · +775 vs yesterdayDNS DRIFT25 domains changed DNS providertop destination cloudflare.com · +25 vs yesterdayEMAIL DRIFT9 domains switched email providertop destination outlook.com · +8 vs yesterdayCERT DRIFT23 domains switched issuing CA24h · +22 vs yesterdayNOW2,670 curated domains not answering-1,664 vs yesterdayERRORS23,968 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED90,543 throttled or blocked our scanner429 rate-limit / 403 bot-block

dkfz.de

Observed Jul 21, 2026, 16:46 UTC (4h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onVerein zur Foerderung eines Deutschen Forschungsnetzes e.V
Secured byLet's Encrypt
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dkfz.de actually stands on - every host below is a signed observation
dkfz.de
A / AAAA
192.54.49.124
Verein zur Foerderung eines Deutschen Forschungsnetzes e.Vserves the site
NS
dns1.belwue.dedns3.belwue.dens-ext.inet.dkfz-heidelberg.de
belwue.de + dkfz-heidelberg.deanswers its DNS
MX
a1202.mx.srv.dfn.deb1202.mx.srv.dfn.dec1202.mx.srv.dfn.de
dfn.dereceives its email
TLS
*.dkfz-heidelberg.de
Let's Encryptissued its certificate

DNS Records

A 1

  • 192.54.49.124

MX 3

  • 10a1202.mx.srv.dfn.de
  • 10b1202.mx.srv.dfn.de
  • 10c1202.mx.srv.dfn.de

TXT 6

  • apple-domain-verification=tEscpfYrUcZpSNtc
  • MS=ms38669278
  • academiccloud-site-verification=jAszyKm8jwapZYHJR4EjYj6J7
  • HARICA-fPqKQiHjbRwhMoPvx7o
  • v=spf1 include:dkfz-heidelberg.de include:_spf.zimpel.de mx ~all
  • v=DMARC1;p=none;sp=none;pct=100;rua=mailto:dmarc-reports@dkfz-heidelberg.de;ruf=mailto:dmarc-reports@dkfz-heidelberg.de

NS 3

  • dns1.belwue.de
  • dns3.belwue.de
  • ns-ext.inet.dkfz-heidelberg.de

SOA 1

  • dns-auth.inet.dkfz-heidelberg.de hostmaster.dkfz.de

SRV 1

  • owa2013o.inet.dkfz-heidelberg.de:443 p0

CAA 4

  • issue "pki.dfn.de"
  • issue "letsencrypt.org"
  • issue "harica.gr"
  • issue "sectigo.com"

TLS Certificates (3)

Common NameIssuerExpires
*.dkfz-heidelberg.de C=US, O=Let's Encrypt, CN=YR2 Sat, 03 Oct 2026 00:12:23 +0000
YR2 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 (0)

None observed.

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 dkfz.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_cc823185383e60ac
Output Hash
8d736f8f5dbe77040bce31e48a0296798e6503a3ca37294938fcdb9cfa70bc3c
Signature
ed25519:1fa923c2d9aa605fe08934c5bb96a20585c60a8d38499ad32fc3471b07de8508a04533d8af8879edd4565d290ce9f74671feee281b27a5229ec9271d35e38602
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
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