Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=www.5min.co.jp
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 20, 2025
Valid Until
March 20, 2026 67 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
97:63:8A:0D:91:4B:26:EA:8F:88:5D:21:EC:22:CE:46:F0:A9:3B:DB:CD:EA:0A:17:EE:B8:42:16:57:76:43:9D
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=15768000
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
centrulminerva.ro

Other domains in certificate

www.1stdullinghamstetchworthscouts.com
www.5min.co.jp
gcloud.8coupons.com
auth.ailead.click
aiwritebook.com
www.alexfriedman.tech
www.alquilervacacionalbarrosa.com
www.animatriz.com
anne-b-institut.fr
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kitcheners-staging.b-arro.ws
laraffinerie.bastien.pw
belaeuropa.com
betninja.pro
bhavay.dev
decorking.bhopalrealestateportal.com www.bhopalrealestateportal.com
suivi.brilleauconcours.fr
burakerdem.tr
carbon4.co
checkusdt.online
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chiselyou.com
clinicasdentup.com
mountolive.co.in www.dropcabschennai.co.in
w.tanerozdes.com.tr
auth-sample.test.contentfabric.io
crediblebydesign.com
danielolliver.tech
www.demt.co
drive.dentsmiledesign.com
inventory.digitcu.org
djice.ru
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edu-gym.com
test.fiabella.it
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intpcat.net
bishalbudhathoki.is-a.dev
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app.lasoxp.com
www.lesadorables.fr
plataforma.liftaviation.com.br
lulaproduct.com www.lulaproduct.com
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mangroverider.in
merijnkoppes.nl
www.merqube.com
nexaweb.ca
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stg.auth.sozi.co.jp
speechcoach.in
stackstudio.in
tccengenhariacivil.com.br
www.the-green-brick-road.org
www.thedoughcartel.co.uk
theissanimations.com
app.toy-pro.net
velocool.asia
virtualcat.online
warraichtravels.com
waverunnerapp.com
auth.weathrplan.com
www.wellztech.com
yamilrvelez.com
yeti-leipzig.org
get.zodi.world
zomodoro.ca