indexo.dev

optikernetz.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-14 · ok HTTP/1.1 200 8883 ms crawled 2026-05-14

DE · 213.160.74.164 · AS12574 Hosting.de GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Startseite - optikernetz.de
Language
de
Canonical
https://www.optikernetz.de/
Translations
  • de

Technology

Server
Apache

Third-party hosts loaded (1)

  • cdn.podlove.org×1

Social

Registration

Updated
2024-06-21
Name servers
  • ns1.hosting.de.
  • ns2.hosting.de.
  • ns3.hosting.de.

DNS records live

NS
  • ns1.hosting.de
  • ns2.hosting.de
  • ns3.hosting.de
MX
  • 10 mail.optikernetz.de
Verified for
  • Google

Email authentication weak

SPF
v=spf1 a mx a:news.optikernetz.de a:newsletter.optikernetz.de mx:mail.amicaldo.net include:spf.hosting.de include:spf.crsend.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-21 to 2026-06-19
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.optikernetz.de/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (1)

Linked from (1)