indexo.dev

ruediger-koenig.com

.com crawl

First seen 2026-05-01 · Last seen 2026-05-01 · ok HTTP/1.1 200 1257 ms crawled 2026-05-08

DE · 81.88.34.55 · AS45012 dogado GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Rüdiger König – Ihr Interim Experte für herausfordernde Projekte im Energiemarkt
Language
de-DE
Generator
WordPress 6.9.4
Canonical
https://ruediger-koenig.com/
Translations
  • de-de
  • en-us
Feeds

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Email
Phone

Registration

Registrar
united-domains GmbH
Created
2015-08-25
Expires
2026-08-25 97 days left
Updated
2026-04-05
Name servers
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 10 mx03.secure-mailgate.com
  • 10 mx04.secure-mailgate.com

Email authentication weak

SPF
v=spf1 a mx include:secure-mailgate.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-04-14 to 2026-07-14
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ruediger-koenig.com/

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

Links to (3)

Linked from (1)