DNS Gurus
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23 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
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 X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
9
Content-Type
Content
text/plain; charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

5 headers
Access-Control-Allow-Credentials
Cors
true
Access-Control-Allow-Headers
Cors
Origin, DNT, X-Requested-With, x-mail, apollographql-client-name, If-Modified-Since, Cache-Control, Content-Type, Content-Range, Range, Authorization,x-datadog-trace-id,x-datadog-parent-id,x-datadog-origin,x-datadog-sampling-priority,x-datadog-sampled
Access-Control-Allow-Methods
Cors
GET, POST, PUT, PATCH, DELETE, OPTIONS, HEAD
Access-Control-Allow-Origin
Cors
*
Access-Control-Max-Age
Cors
86400

Cookies Headers

0 headers
No cookies headers found

Other Headers

12 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c3ae2ac1aba1f6d-IAD
Content-Security-Policy-Report-Only
Other
default-src 'self'; img-src 'self' https: data:; script-src 'self' https: 'unsafe-inline'; style-src 'self' https: 'unsafe-inline'; font-src 'self' https: data:; connect-src 'self' https:; media-src 'self' https: data:; object-src 'self'; base-uri 'self'; report-to go1-csp;
Date
Other
Sun, 25 Jan 2026 21:32:50 GMT
Reporting-Endpoints
Other
go1-csp="https://idzf9hpyqg.execute-api.ap-southeast-2.amazonaws.com/prod/csp-reports"
Server-Timing
Other
cfEdge;dur=10,cfOrigin;dur=627
X-Envoy-Upstream-Service-Time
Other
5
X-Proxy-Host
Other
k8s-prod-go1-mcp-server-80
X-Request-Start
Other
t=1769376770.461
X-Service-Name
Other
go1-mcp-server
X-Using-Nginx-Controller
Other
true

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching