DNS Gurus

SSL Verification Bypassed

The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.

Reason:

Hostname Mismatch - certificate is issued for api.zerofirst.io, not for 222.114.118.34.bc.googleusercontent.com

Open Cached · just now
10 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
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
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • 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

1 headers
Connection
Performance
keep-alive

Caching Headers

1 headers
Etag
Caching
W/"2-vyGp6PvFo4RvsFtPoIWeCReyIC8"

Content Headers

2 headers
Content-Length
Content
2
Content-Type
Content
application/json; charset=utf-8

Server Headers

2 headers
Server
Server
nginx/1.18.0 (Ubuntu)
X-Powered-By
Server
Express

CORS Headers

2 headers
Access-Control-Allow-Credentials
Cors
true
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

2 headers
Date
Other
Fri, 28 Nov 2025 07:42:34 GMT
X-Cloud-Trace-Context
Other
8948355a0285f8c1966516bc4ea3b2d5;o=1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Consider removing X-Powered-By header to hide server technology

Analysis completed in 776ms