DNS Gurus
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25 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
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
  • • 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

Caching Headers

0 headers
No caching headers found

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=GITY8jL_Tfhbu7jM1_AyIuU1biL52AWp1xTKytzrvnw-1767217903-1.0.1.1-Udo8HIYjY637izeolDDVTFPIpotulyH3KqvBNgYT6PB7NfrFqBV8dwiZlWVZDotPG3zmwUky_xNSH8E3dX1f.rLFuCNRTsVdGtYIavowT9E; path=/; expires=Wed, 31-Dec-25 22:21:43 GMT; domain=.support.esimsmart.com; HttpOnly; Secure; SameSite=None

Other Headers

16 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b6cfff80e1ae5f7-IAD
Date
Other
Wed, 31 Dec 2025 21:51:43 GMT
Nel
Other
{ "report_to": "nel-endpoint-freshdesk", "max_age": 2592000, "include_subdomains": true}
Report-To
Other
{ "group": "nel-endpoint-freshdesk", "max_age": 2592000, "include_subdomains": true, "endpoints": [{"url": "https://edge-admin.eu-central-1.freshedge.net/nelreports/freshdesk"}]}
Status
Other
200 OK
X-Envoy-Upstream-Service-Time
Other
42
X-Fw-Ratelimiting-Managed
Other
true
X-Ratelimit-Limit
Other
300
X-Ratelimit-Remaining
Other
198
X-Ratelimit-Reset
Other
311225215243
X-Ratelimit-Total
Other
200
X-Ratelimit-Used-Currentrequest
Other
1
X-Request-Id
Other
63735820-fba3-998f-9d08-946a9f200c13
X-Server-Processing-Time-Ms
Other
46
X-Trace-Id
Other
00-33b28259e132868ef2a72c74b8e4d4dd-56901515c53d39a3-01

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching