vfour.co
HTML metadata
Technology
- CDN
- Cloudflare
- Fonts
-
- Google Fonts
Third-party hosts loaded (2)
- fonts.googleapis.com×1
- storage.googleapis.com×1
DNS records live
- NS
-
- ns67.domaincontrol.com
- ns68.domaincontrol.com
- MX
-
- 0 vfour-co.mail.protection.outlook.com
Email authentication strong
- SPF
-
v=spf1 include:spf.protection.outlook.com -allstrict (-all) - DMARC
-
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;policy: reject (enforced) - DKIM
- no key found at common selectors
Certificate (current)
E8
Expires in 68 days
HTTP security headers
- present
-
- strict-transport-security
- x-content-type-options
- referrer-policy
- findings
-
- missing Content Security Policy
- missing frame protection
- missing Permissions Policy
Header values
- referrer-policy
strict-origin-when-cross-origin- x-content-type-options
nosniff- strict-transport-security
max-age=31536000; includeSubDomains
vfour.co