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 a248.e.akamai.net, *.akamaized.net, *.akamaized-staging.net, *.akamaihd.net, *.akamaihd-staging.net, not for grouponworks.ie

Cached · 1h ago
11 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=2628000
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

2 headers
Connection
Performance
close
Vary
Performance
Accept-Encoding, User-Agent

Caching Headers

2 headers
Cache-Control
Caching
no-cache, no-store, must-revalidate
Expires
Caching
0

Content Headers

2 headers
Content-Length
Content
2137
Content-Type
Content
text/html

Server Headers

0 headers
No server headers found

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
ak_bmsc=84FC3387B981FE2BEB984580416D1D68~000000000000000000000000000000~YAAQUmrcFyojUe+bAQAAC6gn+h6a3tmDe7KG9yCPEr1VW/LxDTmAjV7K+7vTlh6hLABsvWFDFmswj7UbZWx+CLxAoRe9v4zYBmr5ulu6UlQcpHCxC5UPxJZLhq1qP1dPSiLJ3xA4GPWK3P9fSKL9TyXsqGHFVIGHB8sLiz+TiGDkOpK+T9LEfbpcQjPuhkiVc8yyL7L67RVKwf7QguQjIc3+c+TzCYuylazlrlm+v7NdEwKhMIB1IlaBJIfw31Z2vlDz1o/3OfNq02XvN7x5/QCGyKoxjHbUDhJuq8afO5c+EBuAIqyovFjyVeMLie53UPDcowbJFeynJtKOuainCsKLLCaEj+vHa5Y8rkN6OrO9Y+BK0H/L3et1ZvsxLjUL+7Y9xGro+LGt349vUTV+vd0/yd8=; Domain=.groupon.ie; Path=/; Expires=Mon, 26 Jan 2026 13:54:21 GMT; Max-Age=7200; HttpOnly

Other Headers

3 headers
Date
Other
Mon, 26 Jan 2026 11:54:21 GMT
Mime-Version
Other
1.0
X-Reference-Error
Other
18.526adc17.1769428461.1e250ffa

Recommendations

Enable compression (gzip/brotli) to improve performance