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85/100 SECURITY SCORE

Certificate Information

Subject
CN=ionos-status.de
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
October 27, 2025
Valid Until
January 25, 2026 79 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B5:EA:8F:0A:61:73:17:C8:B1:A0:B8:8D:6B:3F:F7:6A:40:C4:C7:6F:B3:9C:A1:CE:B9:0C:3D:75:9B:40:06:85
Alternative Names
19 domains

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • • TLS 1.1 is deprecated and should be disabled
  • • TLS 1.0 is deprecated and should be disabled

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
letsencrypt.org
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance