Open
Cached
·
just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=soporte.duodecimstudio.com.ar
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 11, 2025
Valid Until
January 09, 2026
59 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E2:9F:17:61:8B:81:2E:45:87:5F:30:E3:95:FE:AC:14:14:6E:7E:9A:96:FA:D0:3D:B5:B8:6A:F1:BA:AA:F6:87
Alternative Names
Security Configuration
TLS Protocols
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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app.carnesbinefar.es
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www.cnishina.dev
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gemper.dallaenae.com
dantools.de
daveschmitz.dev
schule.davidhbassler.de
deancode.com
www.deepthought.co.nz
www.doubles.cards
dozingcatsoftware.com
soporte.duodecimstudio.com.ar
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registration.e-graft.com
midemo.engelsoft.com.br
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findness.co
frazlon.com
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ivion.io
letsjusteat.jacobposton.com
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aca.karla.ai
app.khushi.tech
kingdomautorentals.com
knifecake.com
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mainscreen.largehadron.party
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maxcoexport.com
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www.protheus.com.br
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reconyx2.reconyx.com
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git.rennaldy.net
fbase.resellerindo.com
s.healthcare
www.salasjorge.com
www.sapricami.com
shop.schulb.us
scienzaludica.org
sidodec.com
www.spenserlea.com
app-fresta.stailer.jp
studiobekk.no
sandbox.textable.app
thabo.me
www.thymefull.com
vt-gallery.tonysit.com
clubs.trainlitapp.com
www.trasteromovil.com
ilmostro.turnosweb.app
powerbrad.turnosweb.app
www.u-drive.app
terms-agreement.uri-call.com
ve3testserverdayo.net
dev.vetvise.com
staging-beta.wasteporter.com
s.wemall.com
whatsyourlevel.app
Other domains in certificate