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Certificate Information
Subject
C=PL, O=P6N WAW, CN=P6N WAW
Issuer
C=PL, O=P6N WAW, CN=P6N WAW
Valid From
August 28, 2018
Valid Until
August 28, 2019
Expired
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
60:E3:63:26:1C:4D:8E:09:A9:5C:B2:95:BC:06:C5:FA:9E:AE:AF:70:ED:1E:37:4A:8C:B7:B7:A7:8C:48:35:EC
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
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports