Open
Cached
·
just now
90/100
SECURITY SCORE
Certificate Information
Subject
CN=*.litmus.com
Issuer
C=US, O=Certainly, CN=Certainly Intermediate R1
Valid From
December 17, 2025
Valid Until
January 16, 2026
14 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
1E:54:3D:C8:1D:37:AD:03:EC:A1:59:C1:07:5E:88:C7:4F:5B:31:12:63:81:36:86:00:B3:9F:87:E9:0C:85:98
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Weak
frame-ancestors; frame-src
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin
Permissions-Policy
Present
microphone=(self https://*.qualified.com), camera=(self https://*.qualified.com)
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Significantly strengthen CSP directives
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
- • You have authorized 5 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance