Domain · Tranco #25,732

uni-duesseldorf.de

uni-duesseldorf.de is ranked #25,732 among the world's most-visited sites (Tranco). It resolves to 134.99.128.238, hosted on www.hhu.de, and presents a TLS certificate issued by Hellenic Academic and Research Institutions CA.

HTTP 302

Tranco rank	#25,732
IPv4	134.99.128.238
Hosting / reverse DNS	www.hhu.de
Hosting network	AS680 · DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE
Nameservers	dns-1.dfn.de, dns-2.dfn.de, dns-3.dfn.de, selene.rz.uni-duesseldorf.de
Mail servers (MX)	a2881.mx.srv.dfn.de (10), c2881.mx.srv.dfn.de (10), b2881.mx.srv.dfn.de (10)
HTTP status	302 → https://www.hhu.de/
Web server	Apache
Detected tech	Apache
TLS certificate	Hellenic Academic and Research Institutions CA · expires 2027-01-21

Notable DNS TXT records

google-site-verification=DXljWnX7rdU4M0eVZpbohHsXbc8q8VEP4GdNoPwL5yE
cisco-ci-domain-verification=4a60e9dddacd024a7029731869b6259bfb32e550f5004eb699afadf7d558cbf
v=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 -all
adobe-idpfzim.-site-verification=18ec973e322894c7c0c11b75d7434eb7c4a5b8d2f164b30a6d47f928c7b5f811

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FAQ

What is the IP address of uni-duesseldorf.de?

uni-duesseldorf.de resolves to 134.99.128.238 (www.hhu.de).

Who issued the SSL certificate for uni-duesseldorf.de?

The TLS/SSL certificate for uni-duesseldorf.de was issued by Hellenic Academic and Research Institutions CA, valid until 2027-01-21.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains