DNS Gurus
Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=63072000
Content-Security-Policy
Good
default-src; script-src; object-src; +6 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Strengthen CSP by removing 'unsafe-eval'
  • • 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

2 headers
Age
Caching
0
Cache-Control
Caching
private, no-cache, no-store, max-age=0, must-revalidate

Content Headers

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

Server Headers

2 headers
Server
Server
cloudflare
X-Powered-By
Server
Next.js

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=vCBs0FN.5Gmo4wWmxL9mrOx.rT4OWK.gau4G1LIbf2U-1768790968-1.0.1.1-HkG.bQl_bDLCWDm1AH3N2tw05RQ66D1JmdjpNsfM16IJ9rv15LiYZp7AxklgoTRUJDpRsoTGbfExv8EKASQESzsPcKZlIg27a6kpps6Pd.I; path=/; expires=Mon, 19-Jan-26 03:19:28 GMT; domain=.cal.com; HttpOnly; Secure; SameSite=None

Other Headers

7 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9c0304e0ec5be62f-IAD
Date
Other
Mon, 19 Jan 2026 02:49:28 GMT
Link
Other
</_next/static/media/83afe278b6a6bb3c-s.p.3a6ba036.woff2>; rel=preload; as="font"; crossorigin=""; nonce="z70Ui/6eCD3oUoPYg58ygQ=="; type="font/woff2", </_next/static/media/CalSans_SemiBold-s.p.4d9d14e3.woff2>; rel=preload; as="font"; crossorigin=""; nonce="z70Ui/6eCD3oUoPYg58ygQ=="; type="font/woff2"
X-Matched-Path
Other
/auth/login
X-Vercel-Cache
Other
MISS
X-Vercel-Id
Other
iad1::cle1::nw87q-1768790968478-da02f24a8712

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology