DNS Gurus
Cached · just now
19 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

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

Caching Headers

3 headers
Age
Caching
25145
Cache-Control
Caching
s-maxage=31536000, max-age=60
Last-Modified
Caching
Tue, 20 Jan 2026 23:02:24 GMT

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

11 headers
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9c1498ec2ba45938-IAD
Date
Other
Wed, 21 Jan 2026 06:01:30 GMT
Link
Other
<https://www.nasaspaceflight.com/wp-json/>; rel="https://api.w.org/"
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=R11geFWKkSIcfqIytdqpmjWowI050TLPoTzXJ7GLGXTKZ1qkElArdelcQJ4dOuj7i8k8OYnnexOft%2Ffxb15RFHjDvKc7McQc1WBlvl4QeOw9hTGJ4Wk%3D"}]}
Server-Timing
Other
cfEdge;dur=5,cfOrigin;dur=0
X-Wp-Cf-Super-Cache-Active
Other
1
X-Wp-Cf-Super-Cache-Cache-Control
Other
s-maxage=31536000, max-age=60
X-Wp-Cf-Super-Cache-Cookies-Bypass
Other
swfpc-feature-not-enabled
X-Wp-Spc-Disk-Cache
Other
HIT

Recommendations

Enable compression (gzip/brotli) to improve performance