n-21.de
HTML metadata
Technology
- Server
- Apache
- CMS
- Gatsby
Third-party hosts loaded (1)
- fonts.nol-is.de×2
Social
Registration
- Updated
- 2025-06-27
- Name servers
-
- brian.ns.cloudflare.com.
- heather.ns.cloudflare.com.
DNS records live
- NS
-
- brian.ns.cloudflare.com
- heather.ns.cloudflare.com
- MX
-
- 10 n21-de0c.mail.protection.outlook.com
- TXT
-
_globalsign-domain-verification=XTHb9xA1-NvBytxQUhP5VA-KZdoAJJADKKRsRspvZJMS=ms67174073
Email authentication weak
- SPF
-
v=spf1 include:spf.protection.outlook.com include:_spf.nol-is.de -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E8
Expires in 12 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- referrer-policy
- permissions-policy
- findings
-
- missing Content Security Policy
Header values
- referrer-policy
same-origin- x-frame-options
DENY- permissions-policy
camera=(self), fullscreen=(self), geolocation=(self)- x-content-type-options
nosniff- strict-transport-security
max-age=31536000