DNS Gurus
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25 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Basic
default-src; script-src; style-src; +4 more
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(), autoplay=(), camera=(), cross-origin-isolated=(), display-capture=(self), encrypted-media=(), fullscreen=*, geolocation=(self), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), payment=*, picture-in-picture=(), publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=(), usb=(), xr-spatial-tracking=(), gamepad=(), serial=()
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Cookie

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
nginx

CORS Headers

2 headers
Access-Control-Allow-Headers
Cors
Content-Type, Authorization
Access-Control-Allow-Methods
Cors
GET,POST

Cookies Headers

0 headers
No cookies headers found

Other Headers

9 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cross-Origin-Embedder-Policy-Report-Only
Other
unsafe-none; report-to='default'
Cross-Origin-Opener-Policy-Report-Only
Other
unsafe-none; report-to='default'
Date
Other
Wed, 28 Jan 2026 05:24:56 GMT
Link
Other
<https://precisionisr.com/>; rel=shortlink
Server-Timing
Other
a8c-cdn, dc;desc=dca, cache;desc=MISS;dur=2185.0
X-Ac
Other
4.dca _atomic_dca MISS
X-Content-Security-Policy
Other
default-src 'self'; img-src *; media-src * data:;
X-Permitted-Cross-Domain-Policies
Other
none

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching