indexo.dev

grimme-institut.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1482 ms crawled 2026-05-19

DE · 212.227.30.187 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Grimme-Institut - Grimme-Institut
Language
de-DE
Generator
TYPO3 CMS
Canonical
https://www.grimme-institut.de/h

Technology

Server
Apache

Third-party hosts loaded (1)

  • ajax.googleapis.com×1

Social

Registration

Updated
2026-02-16
Name servers
  • nsa5.schlundtech.de.
  • nsb5.schlundtech.de.
  • nsc5.schlundtech.de.
  • nsd5.schlundtech.de.

DNS records live

NS
  • nsa5.schlundtech.de
  • nsb5.schlundtech.de
  • nsc5.schlundtech.de
  • nsd5.schlundtech.de
MX
  • 10 grimmeinstitut-de01e.mail.protection.outlook.com
TXT
  • MS=ms13049409
  • google-site-verification=8XHbsom3CAPTL5XfI0dn9JxXLSKejo7PW2bUq0a_jU4
  • facebook-domain-verification=w3y8en3dap1ubbgxowjegfk58rdmhc

Email authentication strong

SPF
v=spf1 a:spf.grimme-institut.de include:spf.protection.outlook.com include:spf.crsend.com ~all
softfail (~all)
DMARC
v=DMARC1;p=quarantine;ruf=mailto:postmaster@grimme-institut.de
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDG5OYYitVLhbeFhHwIo5W8gRq8ahvYybmseKS/Z44JksumNHPa4AGfMRtRiW2KzEweNEHOAEUWNDtzNtMSll…
selectors probed

Certificate (current)

R13
from 2026-05-06 to 2026-08-04
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.grimme-institut.de/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (9)

Linked from (13)

See all sites whose homepage links to grimme-institut.de →