herder-institut.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-19 · ok HTTP/1.1 200 815 ms crawled 2026-05-07

DE · 116.203.15.247 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title

Startseite | Herder-Institut

Language

Generator

Drupal 10 (https://www.drupal.org)

Canonical

https://www.herder-institut.de/de/start

Translations

Open Graph

url: https://www.herder-institut.de/de/start
title: Startseite | Herder-Institut
site name: Herder-Institut

Technology

Server: Apache
CMS: Drupal

Third-party hosts loaded (1)

cdn.jsdelivr.net×1

Social

Registration

Updated

2020-06-30

Name servers

dns104.ovh.net.
ns104.ovh.net.

DNS records live

NS

dns104.ovh.net
ns104.ovh.net

MX

10 a2111.mx.srv.dfn.de
10 b2111.mx.srv.dfn.de
10 c2111.mx.srv.dfn.de

Verified for

Brevo
Cisco

Email authentication strong

SPF: v=spf1 include:_spf.uni-marburg.de ~all
softfail (~all)
DMARC: v=DMARC1; p=quarantine;rua=mailto:dmarc-report@herder-institut.de; sp=quarantine; ri=86400
policy: quarantine · sp=quarantine
DKIM: no key found at common selectors

Certificate (current)

from 2026-03-20 to 2026-06-18

Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.herder-institut.de/de/start

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload