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SECURITY SCORE
Certificate Information
Subject
CN=skillup.uz
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
September 29, 2025
Valid Until
December 28, 2025
30 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
49:16:42:0F:6B:DB:D9:C0:99:3C:93:D2:B9:A0:21:C8:2C:A1:3F:4F:F5:CD:D8:F3:27:DE:9F:E7:6E:59:95:8E
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
mftembra.com.br
www.aofiee.dev
ashandamri.com
backsoon.app
dl.baikin.net
ikuiku.baikin.net
webapp.bikefinder.it
mobile.bongalo.com
cdn.boostedui.com
protech-il.co.il
queue.unikey.co.il
auth.waraja.com.ng
neupaneanish.com.np
santoshdeuja.com.np
www.neupaneanish.com.np
app.carewithlove.com.vn
admin.comesit.ir
www.confidentaltx.com
testnet.cream.finance
www.cuttingtaxescpa.com
www.darrenrobertlee.dev
demo.devridezum.com
ladder.divlook.dev
www.donchev.is
betacloud.dronehub.ai
commerce.e4cash.com
www.energytrak.app
ernestorossitto.it
www.ernestorossitto.it
ymgng-wiki.eungyolee.kr
www.eupossoir.com.br
famvibes.app
capi.fastedenda.com
carbonvpn.flarfly.com
app.dev.bietdoi.funzy.vn
app.getapollo.io
accesodigital.sinaloa.gob.mx
maletindigital.sinaloa.gob.mx
tutordigital.sinaloa.gob.mx
sp.gohenry.com
tools.growth.pro
www.i-portalen.se
githubstats.iamyajat.com
proj.detzz.in.th
indiatrustfinance.com
dev.infinitesync.app
admindemo.izpalapp.com
jgtl.org
brand.jointaction.solutions
link.jointaction.solutions
link.juteq.ca
qatest1.lottosocial.com
tools.lyra.com.mx
maulananurkarim.com
www.meloditarim.com
mercilith.com
gc.miamano.com
www.misebox.app
mrinjamul.in
www.mtstorio.app
www.koinet.my.id
nihss.plus
dev.nitte.app
class.nmtplus.net
viewer.nodebook.ae
admin.nugl.com
dev1.nugl.com
docs.objectgo.de
olivershi.net
live.outsnapped.com
mob.petrodive.com
pimzonneveld.site
api.playify.it
app-staging.querofinanciar.com
quizini.com
www.quizini.com
rm.rampver.com
dev.admin.renaultplr.com.br
xray.sabuj.in
app.seesnap.com
setlr.com
www.shadabshamsi.com
www.shorelinedigitalmedia.com
firebase.siwane.xyz
redmine.skazy.cloud
skillup.uz
market.socialbureau.io
songxy.com
dev.stikpro.com
www.studytme.com
join.tabme.app
tabme.app
www.talkaboat.online
tava.app
www.thaivh.com
themgineer.com
waterstone.co.za
wild-bunch-sc.de
www.young.fm
distro-omikuji.zuikou.dev
Other domains in certificate