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 vps103.goweb.biz, not for webmail.sysdevmobile.com

Cached · just now
15 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
sameorigin
X-Content-Type-Options
Good
nosniff
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 Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

1 headers
Vary
Performance
Accept-Encoding

Caching Headers

4 headers
Cache-Control
Caching
private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0
Expires
Caching
Thu, 15 Jan 2026 23:20:36 GMT
Last-Modified
Caching
Thu, 15 Jan 2026 23:20:36 GMT
Pragma
Caching
no-cache

Content Headers

2 headers
Content-Language
Content
en
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
nginx/1.14.1

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
roundcube_sessid=560li1rss8marp1vmgkin5q9hv; path=/; HttpOnly

Other Headers

2 headers
Date
Other
Thu, 15 Jan 2026 23:20:36 GMT
X-Cache
Other
HIT from Backend

Recommendations

Enable compression (gzip/brotli) to improve performance