DNS Gurus
Cached · just now
25 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding, User-Agent

Caching Headers

5 headers
Age
Caching
237624
Cache-Control
Caching
public, max-age=2678400
Expires
Caching
Wed, 25 Feb 2026 09:43:48 GMT
Last-Modified
Caching
Thu, 22 Jan 2026 15:17:33 GMT
Pragma
Caching
no-cache

Content Headers

1 headers
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=zkHE9QhtBN3DOWjgIjbOU9pc_KOpg.6oNPgFCkjwxps-1769334228-1.0.1.1-X1QtryqWQ81Lu3HY.7i6pGFZAPTiQE_O1MaDBY8ShqsJz8NUMQFoEGkIAyP.Ng31x9UszSTRE3SFx_4anKSTvfAKlE0VEaUupWuForZ8DEI; path=/; expires=Sun, 25-Jan-26 10:13:48 GMT; domain=.sererra.com; HttpOnly; Secure; SameSite=None

Other Headers

11 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9c36d40f5ce26c71-IAD
Date
Other
Sun, 25 Jan 2026 09:43:48 GMT
X-Backend
Other
varnish_ssl
X-Cache
Other
uncached
X-Cache-Hit
Other
MISS
X-Cacheable
Other
YES:Forced
X-Cacheproxy-Retries
Other
0/2
X-Fawn-Proc-Count
Other
1,2,24
X-Php-Version
Other
8.2

Recommendations

Enable compression (gzip/brotli) to improve performance