Open Cached · just now
80/100 SECURITY SCORE

Certificate Information

Subject
UNKNOWN={:asn1_OPENTYPE, <<19, 20, 80, 114, 105, 118, 97, 116, 101, 32, 79, 114, 103, 97, 110, 105, 122, 97, 116, 105, 111, 110>>}, UNKNOWN={:asn1_OPENTYPE, <<19, 2, 80, 76>>}, UNKNOWN={:asn1_OPENTYPE, "\f\fmałopolskie"}, UNKNOWN={:asn1_OPENTYPE, "\f\aKraków"}, UNKNOWN=0000594747, C=PL, ST=małopolskie, L=Kraków, UNKNOWN={:asn1_OPENTYPE, <<19, 6, 51, 48, 45, 55, 50, 55>>}, UNKNOWN={:asn1_OPENTYPE, <<12, 15, 80, 97, 110, 97, 32, 84, 97, 100, 101, 117, 115, 122, 97, 32, 50>>}, O=nazwa.pl sp. z o.o., CN=nazwa.pl
Issuer
C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Extended Validation CA SHA2
Valid From
March 13, 2025
Valid Until
March 13, 2026 121 days
Public Key
ECDSA 384 bit (P-384) Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
29:EE:38:C7:34:36:F9:C4:CC:A1:EF:C1:A0:47:DB:E7:82:9E:8A:CD:82:C9:A9:53:C1:83:22:AA:78:4D:0C:CD
Alternative Names

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Strict-Transport-Security header with max-age of at least 1 year
  • Significantly strengthen CSP directives
  • 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
Configured (Restricts certificate issuance)
Current Issuer
Not Authorized (Potential misconfiguration)
CAA Issues
  • CRITICAL: Current certificate issuer 'C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Extended Validation CA SHA2' is NOT authorized by CAA records. Authorized CAs: sectigo.com, certum.pl
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

2 domains