DNS Gurus
Cached · just now
20 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31556926
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Present
allow-from https://arcgis.com
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Present
accelerometer=(), ambient-light-sensor=(), autoplay=(), camera=(), encrypted-media=(), fullscreen=(self), geolocation=(self), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), speaker=(), screen-wake-lock=(), sync-xhr=(), usb=(), web-share=(), xr-spatial-tracking=()
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks

Performance Headers

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
x-fh-requested-host, accept-encoding

Caching Headers

3 headers
Cache-Control
Caching
max-age=3600
Etag
Caching
"446a1811fcbfb512512aa313a595a39f388724248ddc35fba6fbcebfea5543a4"
Last-Modified
Caching
Tue, 23 Dec 2025 19:27:54 GMT

Content Headers

2 headers
Content-Length
Content
1224
Content-Type
Content
text/html; charset=utf-8

Server Headers

0 headers
No server headers found

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

6 headers
Alt-Svc
Other
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
Date
Other
Thu, 08 Jan 2026 17:20:22 GMT
X-Cache
Other
HIT
X-Cache-Hits
Other
0
X-Served-By
Other
cache-iad-kcgs7200123-IAD
X-Timer
Other
S1767892823.675117,VS0,VE2

Recommendations

Enable compression (gzip/brotli) to improve performance