Open
Cached
·
just now
81/100
SECURITY SCORE
Certificate Information
Subject
CN=parmail.syncromsp.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 05, 2025
Valid Until
March 05, 2026
62 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C2:4B:53:C3:16:C7:32:F2:32:A2:04:AE:70:B8:80:71:F0:E2:ED:19:28:78:91:F5:51:E8:8F:02:D8:F1:F3:8F
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
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • 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
awstrust.com
digicert.com
letsencrypt.org
; validationmethods=http-01;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/23216805
Incident Reporting
mailto:[email protected]
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'issuewild' records to control wildcard certificate issuance