Open
Cached
·
just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=www.optplacer.com.br
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
November 29, 2025
Valid Until
February 27, 2026
88 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AC:F5:04:71:B7:01:9E:03:2E:7A:2A:1C:8B:48:35:02:8C:0F:D4:9B:11:40:CF:7D:82:52:72:3F:CF:34:20:4A
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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o.collageofficial.com
video-editor.testv3.contentfabric.io
control.corewos.com
www.degenfrens.io
cardshare.dexx.au
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admin.fjtravelfiji.com
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dev.fndrsng.com
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chappium.gamessc.com
pushservices.gazzetta.it
robincare.getrobincare.com
inspiration.goa.io
new.gonzalogarcia.eu
site-demo1.hareeqi.com
www.henryraygan.com
heybattle.tech
firebase.hdw-demo.gcp.homedepot.com
app.homi.school
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id-entidad.com
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andry-okky.itsyourdayofficial.com
link.jemyzdrowo.eu
beta.app.jonosplaceholder.click
www.kkgv.net
krishiindianhumanhair.com
stg-tsuruha-festa.l-ma.co.jp
librameditech.com
lifttrackpro.com
livingpokedex.com
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lpa-studio.com
www.lpa-studio.com
authentication.schema.magement.com
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www.mykadun.my
checkout.mymoons.pe
mytaskmanager.co.uk
naime.co.uk
links.namely.com
netstuts.com
welcome.nextcoders.pro
nfortner55.com
nightmorning.com
ofu.obsidianpma.org
www.optplacer.com.br
app.oryvion.com
pcsitspl.com
testwidget.pickcel.com
app.prematax.com
psicologaspinetti.it
register-applite-qa.qservus.com
queueme.io
www.queueninja.com
www.reevr.eu
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santoid.com
www.schick-ebert.de
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alpeshabitat.speakylink.com
www.stembionix.com
www.sudhoo.com
sumof100.com
swsplatform.com
tamtamkai.com
tathomp.com
unifiedinfra.com
unnurella.jp
www.useful-tools.info
labels.waproduction.com
app.xfol.io
yauzifu.com
Other domains in certificate