indexo.dev

schlittermann.de

.de crawl dns

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1354 ms crawled 2026-05-18

DE · 188.68.44.206 · AS197540 netcup GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Linux-Erfahrung seit 1997 < Schlittermann
Canonical
./index.html

Technology

Server
Apache

Contact

Email

Registration

Updated
2025-09-08
Name servers
  • hh.schlittermann.de.
  • pu.schlittermann.de.
  • rn.schlittermann.de.

DNS records live

NS
  • hh.schlittermann.de
  • pu.schlittermann.de
  • rn.schlittermann.de
MX
  • 70 mx10.schlittermann.de
  • 90 hh.schlittermann.de
TXT
  • keybase-site-verification=BynStH7sq0gtWClcB6O5vFf5UKfrNlJ4fYF_c9mM9Tw
Verified for
  • Anthropic
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.schlittermann.de -all
strict (-all)
DMARC
v=DMARC1;p=reject;sp=none;rua=mailto:dmarc+rua@schlittermann.de;ruf=mailto:dmarc+ruf@schlittermann.de
policy: reject (enforced) · sp=none
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-08 to 2026-08-06
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://schlittermann.de/

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

Linked from (1)