challenge.fi
HTML metadata
Technology
- Server
- nginx
- jQuery
- 3.6.4
- Fonts
-
- Google Fonts
Third-party hosts loaded (2)
- fonts.googleapis.com×3
- fonts.gstatic.com×1
Social
DNS records live
- NS
-
- ns-245-b.gandi.net
- ns-253-c.gandi.net
- ns-52-a.gandi.net
- MX
-
- 1 smtp.google.com
- TXT
-
TRY HARDER
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 28 days
HTTP security headers
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Links to (2)
- instagram.com×1
- ecsc.eu×1