Open
Cached
·
just now
90/100
SECURITY SCORE
Certificate Information
Subject
UNKNOWN=HRB 19749, UNKNOWN={:asn1_OPENTYPE, <<19, 2, 68, 69>>}, 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>>}, C=DE, ST=Brandenburg, O=Variomedia AG, CN=variomedia.de
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA EV R36
Valid From
September 15, 2025
Valid Until
October 16, 2026
338 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
47:43:60:0A:D6:20:9E:03:53:88:97:02:08:F4:C9:9D:8C:22:6B:6B:55:B4:9D:D4:66:F6:7E:81:3B:9A:5F:C9
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
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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
Authorized
(Matches CAA policy)
Authorized CAs
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