uni-bremen.de

Observed Jul 22, 2026, 00:12 UTC (2d 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onVerein zur Foerderung eines Deutschen Forschungsnetzes e.V

Secured byHellenic Academic and Research Institutions CA

Also usesGoogle Search Console

IPv6 · 1 subdomain · tranco_20k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat uni-bremen.de actually stands on - every host below is a signed observation

uni-bremen.de

A / AAAA

134.102.22.1242001:638:708:16::22:124

Verein zur Foerderung eines Deutschen Forschungsnetzes e.Vserves the site

ns.informatik.uni-bremen.deines.zfn.uni-bremen.dedns-2.dfn.de

uni-bremen.de + dfn.deanswers its DNS

mailgate.zfn.uni-bremen.de

uni-bremen.dereceives its email

TLS

www.uni-bremen.de

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

134.102.22.124

AAAA 1

2001:638:708:16::22:124

MX 1

10mailgate.zfn.uni-bremen.de

TXT 10

HARICA-gaXa3ISBZAriIptMjvp
ms=644922E0CDD80E313DAF6BAC6974F8BD19938702
nitro-verification-code=Nzc1MTU4MjgxMTQ3NjE5MTc1Mw==
google-site-verification=BqjtWc7qOcV2hSUUwPTIja-PFBVVctvEsskJo4S8RrM
google-site-verification=b6v9hpU4xxZKeTqeb1JuIn8T1QS2Jjkrj07pVCB1aBk
google-site-verification=uADf_FvqD49vqW1R7ZpDJVjm1LuOkCt4oHGGfv8oAhE
cisco-ci-domain-verification=3a8a59fb2fba7134712d7ac41a382a678e7d28ef02f69cce25ba58e5e5e332c4
_telesec-domain-validation=342062_2025-10-30_iBR3iEre5Q4rBZHu4P54hgxq6GUBD4r9VQrylGxHWR63Kbcrud
v=spf1 a mx ip4:134.102.50.0/24 ip6:2001:638:708:32::/64 ip4:134.102.51.0/24 ip4:134.102.58.0/24 ip4:134.102.3.75 ip4:134.102.236.10 ip4:134.102.196.32 ip4:134.102.20.0/24 ip4:134.102.22.0/23 ip4:134.102.231.91 include:_spf.zimpel.de ~all
v=DMARC1; p=none; rua=mailto:unihb@uni-bremen.de; adkim=r; aspf=r; sp=none

NS 3

ns.informatik.uni-bremen.de
ines.zfn.uni-bremen.de
dns-2.dfn.de

SOA 1

ines.zfn.uni-bremen.de helms.zfn.uni-bremen.de

SRV 2

smtp.zfn.uni-bremen.de:993 p10
smtp.zfn.uni-bremen.de:465 p0

CAA 5

iodef "mailto:campusserver@uni-bremen.de"
issue "harica.gr"
issue "pki.dfn.de"
issue "telesec.de"
issuewild "harica.gr"

TLS Certificates (3)

Common Name	Issuer	Expires
`www.uni-bremen.de`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Mon, 21 Dec 2026 11:00:16 +0000
`HARICA TLS RSA Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015	Fri, 31 Aug 2029 07:41:54 +0000
`GEANT TLS RSA 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021	Sat, 31 Dec 2039 11:14:59 +0000

Subdomains (1)

www.uni-bremen.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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_4b8f8aba5ec72bab
Output Hash: b8cfe82f8b076712189839675f62a1328ad562f7e6a39a30f8fa3a1dbfbc7e7f
Signature: ed25519:51a435ff429e0b7ded7298efc6b006289b7786aca2d6d4e3e770f1ef6248483798e0f822771a10fc3e8ae323faa37f56ca79c929ce6ab0f8d0e8609cafcfa805
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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