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SECURITY SCORE
Certificate Information
Subject
CN=tmobilepromotions.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 26, 2026
Valid Until
April 26, 2026
77 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
30:38:43:48:AF:64:D7:05:40:1A:03:70:0F:50:5D:EE:9B:C3:DC:61:3E:36:0C:D3:75:59:7D:AB:EB:96:59:BC
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
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
81 domains
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casinodaysaffiliates.com
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cheapwalkintubs.info
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*.privates.com.au
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thekneadyhomesteader.com
*.thekneadyhomesteader.com
tmobilepromotions.com
*.tmobilepromotions.com
verbs.com.au
*.verbs.com.au
Other domains in certificate