uni-giessen.de

.de crawl dns

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 5524 ms crawled 2026-05-19

DE · 134.176.3.22 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Justus-Liebig-Universität Gießen — JLU
Language: de
Generator: Plone - https://plone.org/
Canonical: https://www.uni-giessen.de/de

Open Graph

url: https://www.uni-giessen.de/de
title: Justus-Liebig-Universität Gießen
site name: Justus-Liebig-Universität Gießen

Technology

Server: nginx

Social

Registration

Updated

2026-02-13

Name servers

deneb.dfn.de.
ns1.hrz.uni-giessen.de.
ns2.hrz.uni-giessen.de.

DNS records live

NS

deneb.dfn.de
ns1.hrz.uni-giessen.de
ns2.hrz.uni-giessen.de

MX

10 mailgw00.uni-giessen.de

TXT

MS=3F613B143831BB8F881ED05E6FEDBF0DEBB18B69
seobility=c50b780a4f0c711e688bd681118ca6b6
_telesec-domain-validation=343475_2025-12-03_CZD0oOkGEQXd2VhR0tC98hKawPnjN6S0mWGjxY3n5lwbwiZRQO

Verified for

Google
HARICA

Email authentication strong

SPF: v=spf1 mx ip4:134.176.243.135/32 ip4:141.100.10.230/32 ip4:141.100.10.250/32 ip4:141.90.13.0/24 ~all
softfail (~all)
DMARC: v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@uni-giessen.de; sp=quarantine; aspf=r
policy: quarantine · sp=quarantine
DKIM: no key found at common selectors

Certificate (current)

GEANT TLS RSA 1

from 2025-07-03 to 2026-07-03

Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.uni-giessen.de/de

present

x-frame-options

findings

missing HSTS
missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN