DNS Gurus
Cached · just now
92/100 SECURITY SCORE

Certificate Information

Subject
CN=frappe.cloud
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
December 11, 2025
Valid Until
March 11, 2026 39 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
CF:4F:76:41:58:79:DA:33:23:8E:39:36:C9:72:2D:80:82:76:78:56:C3:7A:42:9A:43:16:8C:6F:B2:A6:BA:0E
Alternative Names
6 domains

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
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
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)
Wildcard CAs
letsencrypt.org
Recommendations
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts