DNS Gurus
Cached · just now
11 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
close

Caching Headers

3 headers
Cache-Control
Caching
max-age=0, no-cache, no-store
Expires
Caching
Wed, 28 Jan 2026 05:11:27 GMT
Pragma
Caching
no-cache

Content Headers

2 headers
Content-Length
Content
243
Content-Type
Content
application/xml

Server Headers

1 headers
Server
Server
AmazonS3

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
bm_sz=CC65741F1B7A388D833E906E9CC32A23~YAAQ0AwDFx8YEtybAQAAr4EDAx5Ak2xdfjhpat1ragF/OWb7H74bk69WWGR2PFwpQrtutOyTwAMeh0iyHAyPO5QpKIezbSQKUPQzDYCuA3O/8lTAMF3h2Q9reNULB6d+gq0SMdKHj+p57SdNvKVQC66HOirDQZZP2etg/iQf+pom7Yt21Vst/mcCjemdLVQ0zbWXtLHnPo7E9FN7zpESNmq358d2PryV00OHRUkbf1u/KAcM7xOdqWHXrvn1wNqyQNKKi6Y1d/8XcazQmelzqg5xzgwuyORa6w46uHSxYznLc4oPjNrPLoMX2qf8lGGEVZc/jVgyq6487RKtLB70nvnuhcnqFewqf859TspN~3617347~3356722; Domain=.groupon.jp; Path=/; Expires=Wed, 28 Jan 2026 09:11:26 GMT; Max-Age=14399

Other Headers

3 headers
Date
Other
Wed, 28 Jan 2026 05:11:27 GMT
X-Amz-Id-2
Other
SwzcMCTrgoMCxlzb1Gw4rW4xtQAiyx0tISuoJbMokiqBrxDOP8NhRxnbVH0GEixh5XnpIbjFi04=
X-Amz-Request-Id
Other
Q2TVBAE9T7Y5QP7Y

Recommendations

Enable compression (gzip/brotli) to improve performance