dagstuhl.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 3340 ms crawled 2026-05-19

DE · 192.76.146.114 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Home

Description

Schloss Dagstuhl - Leibniz Center for Informatics

Language

Canonical

https://www.dagstuhl.de/

Translations

Open Graph

url: https://www.dagstuhl.de/
title: Schloss Dagstuhl - Leibniz Center for Informatics
locale: en
site name: Home
description: Schloss Dagstuhl - Leibniz Center for Informatics

Technology

Server: Apache
CMS: Gatsby

Third-party hosts loaded (1)

purl.org×1

Registration

Updated

2022-01-19

Name servers

dns1.belwue.de.
ernst.dagstuhl.de.
ns.dagstuhl.de.
ns.uni-saarland.de.

DNS records live

NS

dns1.belwue.de
ernst.dagstuhl.de
ns.dagstuhl.de
ns.uni-saarland.de

MX

10 a2761.mx.srv.dfn.de
10 b2761.mx.srv.dfn.de
10 c2761.mx.srv.dfn.de

Verified for

Google

Email authentication partial

SPF: v=spf1 ip4:192.76.146.9 -all
strict (-all)
DMARC: v=DMARC1; p=none; rua=mailto:postmaster@dagstuhl.de; ruf=mailto:postmaster@dagstuhl.de
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

GEANT TLS RSA 1

from 2025-07-14 to 2026-07-14

Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.dagstuhl.de/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=31536000