SSL Verification Bypassed
The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.
Reason:
Hostname Mismatch - certificate is issued for mns2.uberspace.is, not for pri.asok.de
Open
Cached
·
just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=mns2.uberspace.is
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 25, 2025
Valid Until
February 23, 2026
54 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
64:58:0F:74:E8:56:AD:5E:C3:43:70:57:7D:CD:F9:C6:CD:23:FC:70:BF:90:8F:10:59:5A:9C:E2:D9:73:7D:F1
Alternative Names
Security Configuration
TLS Protocols
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15768000; includeSubdomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • 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