indexo.dev

stefan-heym-digital.de

.de crawl

First seen 2026-05-29 · Last seen 2026-05-29 · ok HTTP/1.1 200 401 ms crawled 2026-05-31

DE · 136.199.189.163 · AS2857 Johannes Gutenberg-Universitaet Mainz

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
StefanHeymFrontend
Language
en

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.gstatic.com×1

Registration

Updated
2025-09-18
Name servers
  • ceres.hrz.tu-chemnitz.de.
  • dns-3.dfn.de.
  • eris.hrz.tu-chemnitz.de.

DNS records live

NS
  • ceres.hrz.tu-chemnitz.de
  • dns-3.dfn.de
  • eris.hrz.tu-chemnitz.de

Email authentication no MX

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

Certificate (current)

R13
from 2026-05-06 to 2026-08-04
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://stefan-heym-digital.de/

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

Linked from (1)