indexo.dev

einsteinsommerhaus.de

.de crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 566 ms crawled 2026-06-02

DE · 141.89.241.205 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 100/100

Classifying

HTML metadata

Title
Einsteinhaus
Language
de
Canonical
https://www.einsteinsommerhaus.de/

Technology

Server
Apache
CMS
WordPress
jQuery
3.5.1

Registration

Updated
2026-01-08
Name servers
  • dns-3.dfn.de.
  • ns1.uni-potsdam.de.
  • ns2.uni-potsdam.de.

DNS records live

NS
  • dns-3.dfn.de
  • ns1.uni-potsdam.de
  • ns2.uni-potsdam.de
Verified for
  • HARICA

Email authentication no MX

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

Certificate (current)

GEANT TLS ECC 1
from 2025-09-12 to 2026-09-12
Expires in 101 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.einsteinsommerhaus.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin
x-content-type-options
nosniff
strict-transport-security
max-age=31556952; includeSubDomains

Links to (1)

Linked from (1)