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
www.chengzhi-wang.com

Other domains in certificate

08lmedical.com
aiboosted.biz
overlays.ajwd.media
www.alifrak.com
anoukdouma.nl
mitt.apparat.no
jayatama.biz.id
blackbeardroyale.com
boxswap.io
bracket.me
admin.brollyhub.com
dev-talking-talent.bloomberg.cake-lp.com
capeelectrical.co.za
app.carnesbinefar.es
preciok.caveclm.es
cloud.cirrusdata.com
www.cnishina.dev
www.profikredyt.com.pl
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
www.dustergroup.com
registration.e-graft.com
midemo.engelsoft.com.br
dev.evnnovator.com
findness.co
frazlon.com
get.freshreview.co
www.fusteriaclari.es
flibra.gaiax-blockchain.com
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gdevsid.com
ginger3dstudio.com
www.graphql-server.com
game.gretxp.com
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www.horizon-z.com
verify.iali.in
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sevice.intelasolution.com
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mainscreen.largehadron.party
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maxcoexport.com
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auth.multiverse.ai
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openpodcast.xyz
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www.protheus.com.br
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app.reflectui.com
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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