indexo.dev

optokoppler.org

.org crawl

First seen 2026-04-23 · Last seen 2026-05-16 · ok HTTP/1.1 200 3942 ms crawled 2026-05-16

DE · 85.13.162.99 · AS34788 Neue Medien Muennich GmbH

Reputation 62/100 wrong cert weak security headers no dmarc policy

sector other type parked

Technology

Server
nginx
Social widgets
  • Vimeo Embed
  • YouTube Embed

Third-party hosts loaded (6)

  • 24.media.tumblr.com×11
  • 25.media.tumblr.com×3
  • player.vimeo.com×3
  • 31.media.tumblr.com×1
  • www.tumblr.com×1
  • www.youtube.com×1

Social

Registration

Registrar
RegistryGate GmbH
Created
2011-07-24
Expires
2026-07-24 65 days left
Updated
2025-11-24
Name servers
  • ns5.kasserver.com
  • ns6.kasserver.com

DNS records live

NS
  • ns5.kasserver.com
  • ns6.kasserver.com
MX
  • 10 w00669bd.kasserver.com

Email authentication weak

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

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2025-12-04 to 2027-01-05
Expires in 230 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://optokoppler.org/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (14)

Linked from (1)