Open
Cached
·
just now
92/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=coingecko.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
April 27, 2026
Valid Until
July 26, 2026
89 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
4D:F0:56:5E:65:97:FB:02:03:94:69:9B:31:B0:A5:F4:1D:35:D8:8D:41:A5:6A:9B:C8:E7:5D:A3:87:81:E0:95
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
amazon.com
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
pki.goog
; cansignhttpexchanges=yes
sectigo.com
ssl.com
Wildcard CAs
pki.goog
; cansignhttpexchanges=yes
ssl.com
amazon.com
comodoca.com
digicert.com
; cansignhttpexchanges=yes
letsencrypt.org
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 7 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts