DNS Gurus
Cached · just now
19 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

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding,User-Agent

Caching Headers

0 headers
No caching headers found

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

12 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c46b21e8b3dde83-IAD
Date
Other
Tue, 27 Jan 2026 07:56:50 GMT
Link
Other
<https://www.thomasmckee.com/>; rel=shortlink
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=di4JwujJi6LGsHujizhyKfzZTGMdXEMKKOY9N5jNktfzG7sWqwuIs7hJXH9IUADDMKaxsGi5oe7X7T0WOe6g5AFCE6Isv9onE0hYDylf0HTwtjI%3D"}]}
Server-Timing
Other
cfEdge;dur=14,cfOrigin;dur=99
Speculation-Rules
Other
"/cdn-cgi/speculation"
X-Dns-Prefetch-Control
Other
on
X-Litespeed-Cache
Other
hit
X-Turbo-Charged-By
Other
LiteSpeed

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching