indexo.dev

sternwarte-siebengebirge.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-07 · ok HTTP/1.1 200 2697 ms crawled 2026-05-07

DE · 80.83.113.159 · AS29141 Bradler & Krantz GmbH & Co. KG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sternwarte Siebengebirge e.V.
Language
de-DE
Generator
WordPress 4.3.34
Canonical
https://www.sternwarte-siebengebirge.de/
Feeds

Technology

Server
Apache
CMS
WordPress

Contact

Email

Registration

Updated
2015-04-13
Name servers
  • ns1.virtualhosts.de.
  • ns2.virtualhosts.de.
  • ns3.virtualhosts.eu.

DNS records live

NS
  • ns1.virtualhosts.de
  • ns2.virtualhosts.de
  • ns3.virtualhosts.eu
MX
  • 10 mail.sternwarte-siebengebirge.de

Email authentication partial

SPF
v=spf1 a mx -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-29 to 2026-10-30
Expires in 161 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.sternwarte-siebengebirge.de/

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

Linked from (1)