76/100 SECURITY SCORE

Certificate Information

Subject
CN=23028.co
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
April 20, 2026
Valid Until
July 19, 2026 60 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C2:DB:9F:A5:FC:4F:94:0C:08:10:30:A6:F3:7B:F8:76:83:2D:F3:21:08:EC:53:CA:0B:EC:BF:8E:75:88:D8:12
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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
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 X-Content-Type-Options: nosniff
  • 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
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

Subject Alternative Names

91 domains
findnickname.com *.findnickname.com

Other domains in certificate

01599.loan *.01599.loan
13026.one *.13026.one
23028.co *.23028.co
27134399.vip *.27134399.vip
27333472.vip *.27333472.vip
27644526.vip *.27644526.vip
28493.blog *.28493.blog
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bauble.org *.bauble.org
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