indexo.dev

lernnetz-sh.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-09 · ok HTTP/1.1 200 1017 ms crawled 2026-05-07

DE · 141.91.185.52 · AS33846 Dataport AoR

Reputation 93/100 weak security headers dmarc quarantine

Classifying

HTML metadata

Title
Weiterleitung

Technology

Server
Apache

Registration

Updated
2025-11-18
Name servers
  • ns1047.ui-dns.biz.
  • ns1047.ui-dns.com.
  • ns1047.ui-dns.de.
  • ns1047.ui-dns.org.

DNS records live

NS
  • ns1047.ui-dns.biz
  • ns1047.ui-dns.com
  • ns1047.ui-dns.de
  • ns1047.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication strong

SPF
v=spf1 include:_spf-eu.ionos.com include:spf.lernnetz.de include:spf.landsh.de ~all
softfail (~all)
DMARC
v=DMARC1;p=quarantine;pct=100;rua=mailto:dmarc@lernnetz.de;ri=604800;aspf=r;adkim=s;fo=1
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-30 to 2026-07-29
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://lernnetz-sh.de/

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

Linked from (2)