indexo.dev

osz-tf.de

.de crawl

First seen 2026-04-24 · Last seen 2026-05-14 · ok HTTP/1.1 200 6292 ms crawled 2026-05-18

DE · 80.86.1.20 · AS13246 Key-Systems GmbH

Reputation 95/100 weak security headers

sector other type homepage

HTML metadata

Title
OSZ-TF

Technology

Server
nginx

Registration

Updated
2016-08-04
Name servers
  • dns1.netzhaus.ag.
  • dns2.netzhaus.ag.
  • dns3.netzhaus.ag.
  • dns4.netzhaus.ag.

DNS records live

NS
  • dns1.netzhaus.ag
  • dns2.netzhaus.ag
  • dns3.netzhaus.ag
  • dns4.netzhaus.ag

Email authentication no MX

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

Certificate (current)

R13
from 2026-03-25 to 2026-06-23
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://osz-tf.de/

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

Links to (1)

Linked from (2)