Open
Cached
·
just now
79/100
SECURITY SCORE
Certificate Information
Subject
C=JP, ST=Tokyo, L=Chiyoda-ku, O=EmberPoint Co., Ltd., CN=mpme.jp
Issuer
C=JP, O=Cybertrust Japan Co., Ltd., CN=Cybertrust Japan SureServer CA G4
Valid From
September 16, 2025
Valid Until
October 15, 2026
77 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6F:79:7B:72:90:B3:85:2F:7B:5F:6B:AA:C2:95:C3:9B:BB:6B:D7:3D:10:2B:CC:D0:7A:8A:B1:31:38:EA:B3:81
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
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