indexo.dev

koeblergerhard.de

.de crawl

First seen 2026-05-08 · Last seen 2026-05-19 · ok HTTP/1.1 200 5190 ms crawled 2026-05-15

DE · 81.169.169.5 · AS6724 Strato GmbH

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
Prof. Gerhard Köbler

Technology

Server
Apache

Registration

Updated
2018-09-28
Name servers
  • ns3.stratoserver.net.
  • ns4.stratoserver.net.

DNS records live

NS
  • ns3.stratoserver.net
  • ns4.stratoserver.net
MX
  • 10 koeblergerhard.de

Email authentication weak

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

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://koeblergerhard.de/

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)