indexo.dev

grabbe-portal.de

.de crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 1978 ms crawled 2026-05-15

FR · 92.204.209.240 · AS21499 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Digitale Editionen - Das Christian-Dietrich-Grabbe-Portal

Technology

Server
Apache

Registration

Updated
2025-01-28
Name servers
  • ns13.domaincontrol.com.
  • ns14.domaincontrol.com.

DNS records live

NS
  • ns13.domaincontrol.com
  • ns14.domaincontrol.com
MX
  • 0 smtp.secureserver.net
  • 10 mailstore1.secureserver.net

Email authentication weak

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

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2026-01-26 to 2027-01-26
Expires in 251 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.grabbe-portal.de/

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

Links to (4)

Linked from (2)