DNS Gurus
Cached · just now
87/100 SECURITY SCORE

Certificate Information

Subject
CN=opensuse.org
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
December 24, 2025
Valid Until
March 24, 2026 63 days
Public Key
ECDSA 384 bit (P-384) Strong
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
CF:FE:97:98:2F:EA:D7:3A:D5:43:32:E1:54:B4:4B:7A:D7:73:30:12:52:26:C8:9B:CA:70:BD:3E:82:C6:A2:F4
Alternative Names
5 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
Present
max-age=15768000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
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
  • • 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
letsencrypt.org
Incident Reporting
Recommendations
  • • Consider adding 'issuewild' records to control wildcard certificate issuance