Open
Cached
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just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=www.devicedb.app
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 07, 2025
Valid Until
March 07, 2026
87 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
96:D5:1B:9E:9C:91:CA:0F:2D:F5:67:15:3A:7B:D2:EF:84:AE:F4:E4:08:84:D7:7A:97:FC:52:50:5F:00:8C:41
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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cinemaflash.jp
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harleyshampstead.london
admin.karuta.hicard.studio
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www.rumx.app
simpleclub.uk
skick.io
hioflekser.snapmentor.no
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soulcrest.online
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torche.io
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uniunite.in
vercert.io
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www.viniciuslage.com
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visualintellect.co
app.wordrails.com
writingresearchexchange.net
www.xchance.fun
xmanstudio.com.au
sharedexpenses.xomdev.de
Other domains in certificate