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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
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
aperclasssettlement.com
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
www.cheesesocials.com
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
dotarng.com
www.dziyabee.store
edu-gym.com
test.fiabella.it
app.fiil.io
ghimmigration.com
globaltime.com
gloreye.in
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your.habio.app
www.handiglijstje.nl
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hooriawater.com
hu4nd3r.com
crm.ibcea.com.br
hahuyduong.id.vn
trangvt.id.vn
intpcat.net
bishalbudhathoki.is-a.dev
www.jobnect.com
www.kbit.fi
app.lasoxp.com
www.lesadorables.fr
plataforma.liftaviation.com.br
lulaproduct.com
www.lulaproduct.com
www.luminoustravelsandtours.com
mangroverider.in
merijnkoppes.nl
www.merqube.com
nexaweb.ca
v1hazirsite.orhanarslan.com
v2hazirsite.orhanarslan.com
v3hazirsite.orhanarslan.com
v4hazirsite.orhanarslan.com
v6hazirsite.orhanarslan.com
mcleod.parade.ai
tree.perreault.com
pobaek.com
polarizadosgdl.com
dontsaythat.primeposts.in
dev.purescale.ai
reddly.co
financeapp.rramprasad.in
rramprasad.in
www.scholarshipslens.com
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
Other domains in certificate