hugo-sinzheimer-institut.de

.de crawl

First seen 2026-04-12 · Last seen 2026-05-20 · ok HTTP/1.1 200 1168 ms crawled 2026-05-20

DE · 194.187.187.162 · AS3209 Vodafone GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Homepage - Hugo Sinzheimer Institut für Arbeits- und Sozialrecht
Description: Das Hugo Sinzheimer Institut für Arbeitsrecht (HSI) bietet unter dem Dach der Hans-Böckler-Stiftung Raum für nationale wie internationale arbeits- und sozialrechtliche Forschung.
Language: de

Open Graph

url: https://www.hugo-sinzheimer-institut.de/index.htm
title: HSI
description: Das Hugo Sinzheimer Institut für Arbeitsrecht (HSI) bietet unter dem Dach der Hans-Böckler-Stiftung Raum für nationale wie internationale arbeits- und sozialrechtliche Forschung.

Technology

Server: web
Stack: Java

Cookie consent

Usercentrics

Third-party hosts loaded (3)

static.boeckler.de×3
app.usercentrics.eu×1
privacy-proxy.usercentrics.eu×1

Social

Registration

Updated

2026-02-13

Name servers

ns1.jmc.net.
ns2.jmc.net.
ns-ext.jmc-dns.de.
ns-ext.jmc-dns.net.

DNS records live

NS

ns-ext.jmc-dns.de
ns-ext.jmc-dns.net
ns1.jmc.net
ns2.jmc.net

MX

10 smtp-ext.jmc.net
20 smtp-in.jmc.net

Verified for

Google

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-05 to 2026-08-03

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.hugo-sinzheimer-institut.de/index.htm

present

strict-transport-security
x-content-type-options

findings

missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload

Links to (17)

Linked from (9)