Open
Cached
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just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=sindi.club
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
September 19, 2025
Valid Until
December 18, 2025
35 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C9:D5:53:0C:79:7C:C4:C0:2A:47:FB:39:2C:B1:CA:E8:0C:A7:70:31:20:37:3A:86:1D:E9:E8:E0:41:C9:F7:E4
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
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boom-ai.social
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player.muffinstv.com
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link.ptsis.my.id
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tebi.pillahora.cl
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lists.plot.farm
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programming-tool.staging.sasaki.com
hk.shedtest.no
sindi.club
spanishconprofeale.store
www.app.stipendly.se
platform-pcm.stolwijkkelderman.nl
app.stroybots.ru
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test.tabelasomos.com.br
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appstore.vanyasem.ru
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w3codecraft.io
jeruzalem.weblib.sk
www.workout-maker.com
smaug.wyvernsecurity.org.uk
xkit.club
www.xvelasqu.me
zenkuroanlis.com
Other domains in certificate