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 *.storage.googleapis.com, *.googleapis.com, commondatastorage.googleapis.com, *.commondatastorage.googleapis.com, storage.googleapis.com, storage-p2.googleapis.com, *.storage-p2.googleapis.com, storage.mtls.googleapis.com, *.appspot.com.storage.googleapis.com, not for www.centerbras.com.br

Cached · just now
17 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
Accept-Ranges
Performance
bytes

Caching Headers

4 headers
Cache-Control
Caching
public, max-age=3600
Etag
Caching
"0381d1d557e8bb43f12a9fa4c5b1f93e"
Expires
Caching
Mon, 05 Jan 2026 03:18:18 GMT
Last-Modified
Caching
Tue, 18 Oct 2016 10:31:06 GMT

Content Headers

2 headers
Content-Length
Content
9069
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
UploadServer

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

9 headers
Alt-Svc
Other
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
Date
Other
Mon, 05 Jan 2026 02:18:18 GMT
X-Goog-Generation
Other
1476786666273000
X-Goog-Hash
Other
md5=A4HR1Vfou0PxKp+kxbH5Pg==
X-Goog-Metageneration
Other
2
X-Goog-Storage-Class
Other
STANDARD
X-Goog-Stored-Content-Encoding
Other
identity
X-Goog-Stored-Content-Length
Other
9069
X-Guploader-Uploadid
Other
AHVrFxMCbh-yxcpN16uLX2uWObKe_ywtnYqr3CTX99BF1nROUdqISzZA1WrATG2DzrzkaQm6lwkw724

Recommendations

Enable compression (gzip/brotli) to improve performance