indexo.dev

ernst-abbe-stiftung.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-09 · ok HTTP/1.1 200 2789 ms crawled 2026-05-09

DE · 91.213.21.31 · AS198710 3U TELECOM GmbH

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
Ernst-Abbe-Stiftung
Description
Optisches Museum Jena der Ernst-Abbe-Stiftung
Language
de-DE
Canonical
https://www2.ernst-abbe-stiftung.de/
Feeds

Technology

Server
Apache
CMS
WordPress

Registration

Updated
2009-06-02
Name servers
  • ns1.s-dns.de.
  • ns2.s-dns.de.

DNS records live

NS
  • ns1.s-dns.de
  • ns2.s-dns.de
MX
  • 10 mail.ernst-abbe-stiftung.de

Email authentication weak

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R13
from 2026-05-01 to 2026-07-30
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www2.ernst-abbe-stiftung.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)