Open
Cached
·
just now
74/100
SECURITY SCORE
Certificate Information
Subject
CN=.invalid
Issuer
CN=.invalid
Valid From
July 26, 2019
Valid Until
July 23, 2029
1083 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4E:89:C8:66:44:E7:76:14:9B:0C:56:A7:D3:02:97:36:7A:C4:A8:EC:78:46:E1:56:BD:B7:C0:1E:90:A2:63:BD
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
Not Authorized
(Potential misconfiguration)
Authorized CAs
Wildcard CAs
CAA Issues
- • CRITICAL: Current certificate issuer 'CN=.invalid' is NOT authorized by CAA records. Authorized CAs: digicert.com, letsencrypt.org, sectigo.com
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts