hhu.de
Observed 2026-07-17T13:52:11.934105618+00:00 (7h 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 byHellenic Academic and Research Institutions CA
Also usesGoogle Search Console
63 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat hhu.de actually stands on - every host below is a signed observation
hhu.de
A / AAAA
134.99.128.238
Verein zur Foerderung eines Deutschen Forschungsnetzes e.Vserves the site
NS
selene.rz.uni-duesseldorf.dedns-3.dfn.dedns-1.dfn.desirene.rz.uni-duesseldorf.de+1 more
uni-duesseldorf.de + dfn.deanswers its DNS
MX
b2881.mx.srv.dfn.dea2881.mx.srv.dfn.dec2881.mx.srv.dfn.de
dfn.dereceives its email
TLS
hhu.de
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
134.99.128.238
MX 3
10b2881.mx.srv.dfn.de10a2881.mx.srv.dfn.de10c2881.mx.srv.dfn.de
TXT 10
HARICA-b01FuDqexohoPakaPN0security_contact=cert@hhu.decisco-ci-domain-verification=4a60e9dddacd024a7029731869b6259bfb32e550f5004eb699afadf7d558cbfsecurity_policy=https://www.hhu.de/it-sicherheitT222-U324-V252adobe-idp-site-verification=18ec973e322894c7c0c11b75d7434eb7c4a5b8d2f164b30a6d47f928c7b5f811b7363772c1b9953bc35b74b12e12c69cv=spf1 ip4:134.99.18.0/24 ip4:134.99.128.0/24 ip4:134.99.108.0/27 ip4:134.99.108.128/27 include:spf.qb-feedback.com include:_spf.o288.mx.srv.dfn.de -allgoogle-site-verification=kiygt8zU6VCAudun5LjKaoOEIJNgoM2yBWjSksiXaIwv=DMARC1;p=none;sp=quarantine;pct=100;rua=mailto:dmarc-reports@hhu.de;ruf=mailto:dmarc-reports@hhu.de;aspf=r
NS 5
selene.rz.uni-duesseldorf.dedns-3.dfn.dedns-1.dfn.desirene.rz.uni-duesseldorf.dedns-2.dfn.de
SOA 1
sirene.rz.uni-duesseldorf.de hostmaster.uni-duesseldorf.de
CAA 6
iodef "mailto:cert@hhu.de"issue "pki.dfn.de"issue "harica.gr"issue "sectigo.com"issue "telesec.de"issuewild "harica.gr"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
hhu.de |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1 | Thu, 21 Jan 2027 15:58:58 +0000 |
GEANT TLS ECC 1 |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS ECC Root CA 2021 | Sat, 31 Dec 2039 11:14:20 +0000 |
HARICA TLS ECC Root CA 2021 |
C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions ECC RootCA 2015 | Fri, 31 Aug 2029 07:44:36 +0000 |
Subdomains (63)
- buergeruni.hhu.de
- cedus.hhu.de
- colab.hhu.de
- diid.hhu.de
- diversity.hhu.de
- elearning.hhu.de
- forschung.hhu.de
- gffu.hhu.de
- haus-der-universitaet.hhu.de
- hcsd.hhu.de
- hdu.hhu.de
- heine-slam.hhu.de
- hera.hhu.de
- igrad.hhu.de
- juno.hhu.de
- mentoring.hhu.de
- mittelbauvertretung.hhu.de
- pr-niwi.hhu.de
- profil.hhu.de
- prwiss.hhu.de
- sbv.hhu.de
- science-fight.hhu.de
- sell.hhu.de
- shk-rat.hhu.de
- smm.hhu.de
- spz.hhu.de
- studienstart.hhu.de
- studierendenakademie.hhu.de
- unichor.hhu.de
- uniorchester.hhu.de
- www.buergeruni.hhu.de
- www.cedus.hhu.de
- www.colab.hhu.de
- www.diid.hhu.de
- www.diversity.hhu.de
- www.elearning.hhu.de
- www.forschung.hhu.de
- www.gffu.hhu.de
- www.haus-der-universitaet.hhu.de
- www.hcsd.hhu.de
- www.hdu.hhu.de
- www.heine-slam.hhu.de
- www.hera.hhu.de
- www.hhu.de
- www.igrad.hhu.de
- www.juno.hhu.de
- www.mentoring.hhu.de
- www.mittelbauvertretung.hhu.de
- www.pr-niwi.hhu.de
- www.profil.hhu.de
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 receiptPut the receipt on your own site. A live badge showing what DomainDrift observes and signs for hhu.de. It updates itself. It attests a signed observation - not that the site is safe.
<a href="https://domaindrift.io/t/hhu.de">
<img src="https://domaindrift.io/badge/hhu.de.svg"
width="300" height="64" alt="DomainDrift signed observations for hhu.de">
</a>
Ed25519 Receipt
- Receipt ID
e58f383a-7477-4eb8-a6d5-a6f4535694b2- Output Hash
aeb4553ca1854ac60f2fdff6fde6918b978751507c2b63f9a67db7e72984a11c- Signature
ed25519:404b84ae77c9296ca8b242112fe6b52b5b9eaf71d895fac2d1253025965b212997d22946c4f661b7e02fad959ef38e690daa5948de28e3dc310e0af52e77fd0e- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast