koeln-deutz.de
HTML metadata
Technology
- Server
- nginx
Social
Contact
Registration
- Updated
- 2026-01-29
- Name servers
-
- ns81.domaincontrol.com.
- ns82.domaincontrol.com.
DNS records live
- NS
-
- ns81.domaincontrol.com
- ns82.domaincontrol.com
- MX
-
- 100 mxlb.ispgateway.de
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
Starfield Secure Certificate Authority - G2
Expires in 94 days
HTTP security headers
- present
-
- x-frame-options
- x-content-type-options
- referrer-policy
- findings
-
- missing HSTS
- missing Content Security Policy
- missing Permissions Policy
Header values
- referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff
Links to (4)
- facebook.com×4
- fb.me×4
- instagram.com×4
- wl-agentur.de×4