Automatic security check · Public OSINT only
Scanned URL
cloudflare.com security check
Public OSINT valuation for cloudflare.com: grade A (98/100). Title signal “Cloudflare: Build for the agent era”. 8 security headers present, 0 commonly expected headers missing. This is a defensive surface review — not a penetration test.
98
/100
Grade A
- High concern
- Elevated risk
- Caution advised
- Trusted — verify
- Strong protections
How we scored cloudflare.com
Positive signals
- TLS handshake OK (TLSv1.3).
- HTTP Strict Transport Security is present.
- Content-Security-Policy observed.
- Set-Cookie includes Secure and HttpOnly flags.
- DNS resolves publicly (A/AAAA).
- security.txt found (coordinated disclosure signal).
- RDAP domain record available (cloudflare.com).
Risk signals
- No elevated risk signals recorded in this pass.
Findings
- TLS handshake OK (TLSv1.3).
- HTTP Strict Transport Security is present.
- Content-Security-Policy observed.
- Set-Cookie includes Secure and HttpOnly flags.
- DNS resolves publicly (A/AAAA).
- security.txt found (coordinated disclosure signal).
- robots.txt is publicly available.
- RDAP domain record available (cloudflare.com).
- Final HTTP status 200 at https://www.cloudflare.com/.
Technical details
DNS
resolved- A
- 104.16.133.229, 104.16.132.229
- AAAA
- 2606:4700::6810:84e5, 2606:4700::6810:85e5
- PTR
- —
- error
- —
TLS / certificate
ok- version
- TLSv1.3
- cipher
- TLS_AES_256_GCM_SHA384
- issuer
- Google Trust Services
- notAfter
- Dec 4 23:29:33 2026 GMT
- SAN sample
- cloudflare.com, ns.cloudflare.com, *.ns.cloudflare.com, *.secondary.cloudflare.com, secondary.cloudflare.com
- error
- —
HTTP & security headers
8 present- finalUrl
- https://www.cloudflare.com/
- status
- 200
- server
- cloudflare
- x-powered-by
- —
- present
- content-security-policy, cross-origin-opener-policy, cross-origin-resource-policy, permissions-policy, referrer-policy, strict-transport-security, x-content-type-options, x-frame-options
- missing
- —
- cookie Secure
- True
- cookie HttpOnly
- True
Tech fingerprint (public)
passive- title
- Cloudflare: Build for the agent era
- generator
- Astro v6.3.7
- tech
- Cloudflare, Google Analytics
- script hosts
- ot.www.cloudflare.com, x
- description
- Welcome to Cloudflare - Powering the next generation of applications
RDAP / registration
rdap- domain
- cloudflare.com
- registrar
- Cloudflare, Inc.
- created
- 2009-02-17T22:07:54Z
- expires
- 2033-02-17T22:07:54Z
- nameservers
- ns3.cloudflare.com, ns4.cloudflare.com, ns5.cloudflare.com, ns6.cloudflare.com, ns7.cloudflare.com
- status
- client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
- error
- —
Public well-known
passive- /.well-known/security.txt
- HTTP 200 · found
- /robots.txt
- HTTP 200 · found
- /security.txt
- HTTP 404