DNS Gurus
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19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Weak
object-src; frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
geolocation=(self), microphone=()
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Significantly strengthen CSP directives

Performance Headers

1 headers
Connection
Performance
close

Caching Headers

3 headers
Cache-Control
Caching
private,no-store, no-cache, must-revalidate, max-age=0
Expires
Caching
-1
Pragma
Caching
no-cache

Content Headers

2 headers
Content-Length
Content
25859
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
Microsoft-IIS/10.0
X-Aspnetmvc-Version
Server
5.2

CORS Headers

3 headers
Access-Control-Allow-Headers
Cors
Content-Type, Authorization
Access-Control-Allow-Methods
Cors
GET, POST, PUT, DELETE, OPTIONS
Access-Control-Allow-Origin
Cors
http://app.checkmob.com, http://checkmob.com, https://checkmob.com

Cookies Headers

1 headers
Set-Cookie
Cookies
Language=pt-BR; domain=.checkmob.com; expires=Thu, 02-Jul-2026 15:29:40 GMT; path=/; secure

Other Headers

1 headers
Date
Other
Fri, 02 Jan 2026 15:29:40 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance