Cached · just now
90/100 SECURITY SCORE

Certificate Information

Subject
CN=seoguts.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 07, 2026
Valid Until
April 07, 2026 75 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0F:05:01:98:F9:ED:A0:31:86:2F:A0:D9:F1:AD:5D:03:91:A0:68:48:6A:D3:38:67:82:3B:11:95:BE:2A:D7:A0
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
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Content-Security-Policy header to prevent XSS attacks
  • 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)
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • You have authorized 6 CAs - consider limiting to only the CAs you actively use
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

2 domains