indexo.dev

lernet.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-09 · ok HTTP/1.1 200 2040 ms crawled 2026-05-09

DE · 185.15.192.24 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
LerNet Bonn/Rhein-Sieg e. V.: Home
Language
de-DE
Canonical
/

Technology

Server
Apache

Social

Contact

Email

Registration

Updated
2025-08-28
Name servers
  • docks04.rzone.de.
  • shades05.rzone.de.

DNS records live

NS
  • docks04.rzone.de
  • shades05.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-11 to 2026-06-09
Expires in 21 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.lernet.de/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (5)

Linked from (1)