DNS Gurus
Cached · just now
11 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

1 headers
Connection
Performance
close

Caching Headers

1 headers
Cache-Control
Caching
private

Content Headers

2 headers
Content-Length
Content
45711
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
Microsoft-IIS/10.0

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
ASP.NET_SessionId=b4duhwkvuorjpy3jvxuk5xhl; path=/; secure; HttpOnly; SameSite=Lax

Other Headers

4 headers
Date
Other
Tue, 13 Jan 2026 07:09:26 GMT
X-Host
Other
www.plandenergy.com
X-Resource
Other
/
X-Urlscheme
Other
https

Recommendations

Enable compression (gzip/brotli) to improve performance