mendelssohn-stiftung.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 577 ms crawled 2026-05-07

DE · 18.197.164.108 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Startseite | Mendelssohn Haus Leipzig
Language: de

Open Graph

url: https://www.mendelssohn-stiftung.de/de/
title: Startseite

Technology

Server: nginx
CMS: Gatsby

Third-party hosts loaded (1)

cdn.jsdelivr.net×2

Social

Contact

Email

Phone

+493419628820

Address

KontaktMendelssohn-Haus LeipzigGoldschmidtstraße 12, 04103 Leipzig+49 341 962882-0buero@mendelssohn-stiftung.de

Registration

Updated

2023-02-01

Name servers

ns1.first-ns.de.
robotns2.second-ns.de.
robotns3.second-ns.com.

DNS records live

NS

ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com

MX

10 fmx.elster-punkt.de

Verified for

Google

Email authentication partial

SPF: v=spf1 mx include:_spf.elster-punkt.de -all
strict (-all)
DMARC: v=DMARC1; p=none; rua=mailto:rua@news.mendelssohn-stiftung.de; pct=80; adkim=r; aspf=r
policy: none (monitoring only) · pct=80
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-03-15 to 2026-06-13

Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.mendelssohn-stiftung.de/de/

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=63072000; includeSubdomains; preload