DNS Gurus
favicon
Open Cached · just now
DOWN

HTTP Status

400

Ping

N/A

Technologies

2

SSL/TLS Certificate

View Full SSL Report
Issued By

C=US, O=Let's Encrypt, CN=R12

Security Score
91 /100

Network & Hosting

View DNS Records
93.255.209.49 • AS3320 • DTAG - Deutsche Telekom AG

Technologies Detected

Apache

2.4.65

Web Server

Evidence
  • • Server header

Let's Encrypt

Certificate Authority

Evidence
  • • SSL certificate issuer

Metadata & SEO

Title
Nextcloud
Language
en
Viewport
width=device-width, initial-scale=1.0, minimum-scale=1.0

Dependencies

🎨 Stylesheets (2)

  • • https://mail.sauerland-heu.de/apps/theming/css/default.css?v=2354efee-2
  • • https://mail.sauerland-heu.de/core/css/guest.css?v=c432fda7-2
Inspected on November 14, 2025 at 08:12 UTC