Open
Cached
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just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=playground.stable.codes
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 09, 2025
Valid Until
January 08, 2026
58 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F1:6F:0D:02:4F:E8:FA:C2:63:E1:E0:F9:B8:73:E9:65:B1:76:A4:20:A7:FC:CF:5C:DA:3F:CC:3D:D2:6E:6A:56
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
Present
max-age=31556926
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
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • 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
100 domains
udaaniitt.in
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api-qa.brightmile.io
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beta.cemento.ai
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admin.softwarecareers.co.in
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www.lumbung.io
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preview.marteye.ie
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movingstories.art
nexotron.in
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oolab.jp
www.openplay.app
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maps.properate.io
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backend.sendafriend.co
iron.seramont.com
smartupweb.info
playground.stable.codes
www.townhistory.app
t3.txture.io
www.unafactura.com
waqarulnaqvi.com
www.wdsinfotech.com
admin.wellro.life
Other domains in certificate