DNS Gurus
Cached · just now
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=300
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

1 headers
Cache-Control
Caching
no-cache, no-store

Content Headers

2 headers
Content-Length
Content
548
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
heroku-router

CORS Headers

4 headers
Access-Control-Allow-Credentials
Cors
true
Access-Control-Allow-Headers
Cors
DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range
Access-Control-Allow-Methods
Cors
GET, POST, PUT, DELETE, OPTIONS
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

6 headers
Date
Other
Wed, 21 Jan 2026 23:35:19 GMT
Via
Other
1.1 varnish
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Served-By
Other
cache-lga21923-LGA
X-Timer
Other
S1769038519.749992,VS0,VE436

Recommendations

Enable compression (gzip/brotli) to improve performance