solar-computer.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-18 · ok HTTP/1.1 200 3502 ms crawled 2026-05-15

DE · 91.204.46.235 · AS197540 netcup GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: SOLAR-COMPUTER GmbH - Software für technische Gebäudeausrüstung
Description: SOLAR-COMPUTER Software für technische Gebäudeausrüstung, Architektur und FM - Software für die Bereiche Bauphysik, Energie, Heizung, Klima, Sanitär, Lüftung und Wirtschaftlichkeit sowie zum Erstellen von Energiepässen, EnEV-Nachweisen und Energiebedarfsausweisen.
Generator: Macromedia Dreamweaver

Technology

Server: nginx

Third-party hosts loaded (1)

www.google.com×1

Registration

Updated

2025-06-13

Name servers

root-dns.netcup.net.
second-dns.netcup.net.
third-dns.netcup.net.

DNS records live

NS

root-dns.netcup.net
second-dns.netcup.net
third-dns.netcup.net

MX

10 mail.solar-computer.de
50 mx2eed.netcup.net

Email authentication strong

SPF

v=spf1 mx a include:_spf.webhosting.systems include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr include:spf.protection.outlook.com  include:spf.mailjet.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc@solar-computer.de; adkim=s; aspf=s

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv1mbRQi+zpDW6QxtDsv9F1FAtbmEIWA2lQp+z3xBIIQAIlwCm+mLmRWnszhjYUhOMB/ZR2ENA1gJPZ…

selectors probed

Certificate (current)

R12

from 2026-04-09 to 2026-07-08

Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.solar-computer.de/

findings

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