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just now
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SECURITY SCORE
Certificate Information
Subject
CN=nextcloud.ubxcloud.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 31, 2025
Valid Until
March 31, 2026
73 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D1:69:9F:99:3A:E0:15:32:48:49:8E:84:54:A9:53:40:1C:4E:A8:3A:18:D4:C0:C4:C4:5C:0D:91:07:9A:83:9A
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15768000; includeSubDomains; preload;
Content-Security-Policy
Good
default-src; base-uri; manifest-src; +10 more
default-src 'none';base-uri 'none';manifest-src 'self';script-src 'nonce-y7LH342eE22U62gdi/9/zPOk/cquO+Ravp50Y8YBh9g=';script-src-elem 'strict-dynamic' 'nonce-y7LH342eE22U62gdi/9/zPOk/cquO+Ravp50Y8YBh9g=';style-src 'self' 'unsafe-inline';img-src 'self' data: blob: https://*.tile.openstreetmap.org;font-src 'self' data:;connect-src 'self';media-src 'self';frame-src 'self';frame-ancestors 'self';form-action 'self'
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
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
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports