DNS Gurus
Cached · just now
19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Weak
upgrade-insecure-requests
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Significantly strengthen CSP directives
  • • 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

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
accept-encoding

Caching Headers

3 headers
Cache-Control
Caching
no-cache
Expires
Caching
Wed, 14 Jan 2026 09:15:25 GMT
Pragma
Caching
no-cache

Content Headers

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

Server Headers

1 headers
Server
Server
ReplaceHeaderValue

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
ZNPCQ003-37353500=26087bd1; Path=/; Domain=telmex.com; Secure; HttpOnly; SameSite=Lax; Secure

Other Headers

7 headers
Date
Other
Tue, 13 Jan 2026 09:15:25 GMT
Rdwr_response
Other
allowed
Via
Other
1.1 www.telmex.com (Access Gateway-ag-091726BC1556B8FC-113721623)
X-Cache-Key
Other
/
X-Cache-Status
Other
HIT
X-Handled-By
Other
Sta
X-Mag
Other
091726BC1556B8FC;e8840c12;113721623;usrLkup->0;usrBase->0;getPRBefFind->0;getPRBefFind->0;PRAfterFind->0;Public_All;publicURL->0;TelmexCom;default;SH;FF1End->0;SendSoapStart->0;SendSoapExit->3;EvalII->3;CHd;FP2->3;WS=26087bd1;default;FP4->14;

Recommendations

Enable compression (gzip/brotli) to improve performance