Open
Cached
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just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=dp.cebia.cz
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 18, 2025
Valid Until
January 16, 2026
64 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
55:8C:DB:54:19:8A:F2:6D:F1:3B:76:B0:A3:A2:AE:FF:1A:3A:4A:82:A9:14:B5:0E:7C:E2:D9:F2:75:AB:82:5F
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
www.artisanmwpierre.fr
aaitcse.com
cloud.aentebuesi.ch
www.annajurak.pl
appad.in
app.athlon.chat
public.avada.io
azcrash.com
www.besthospitalsdoctors.com
www.bk88bk99.com
www.bosshunterservice.com
brandonbrown.dev
www.breakcoregivesmewood.org
brigade-halo.com
briskrenewables.com
www.bytcambridge.co.uk
dp.cebia.cz
www.chordx.app
crunchyroll-prod-api.closedcaptionconverter.com
api.crdls.com
czystawodagizycko.pl
calculator.darkcrypto.io
www.deliciastiajovy.cl
disrupttechlabs.com
dkarl.site
dromeduo.com
eindeks.ios.edu.rs
elcarteroec.com
admin.emptyseat.lk
www.eonrocks.com
discoverypark.equiem.mobi
www.etrud.eu
evazee.com
game.fantasyclutch.com
www.gorilla-insights.com
www.howlongtowork.com
www.inno-soft-tracking.com
intosoundhealing.com
www.itclub.ro
biblia.jefteapps.com
kaars.no
kinush.com
kitagames.com
www.klenotnik.cz
kopigao.com
imanager-v1.lshub.net
cms-staging.manytouches.com
maylme.com
join.mjons.se
mrpension.kr
www.musiquiz.dk
mysmartdues.com
www.mysmartdues.com
www.narlideredis.com
navpalgpsupdate.com
rental.densuke.ne.jp
www.niftyhi.com
www.nolanclark.co
demoma.nroadcorp.com
www.ourhomes.sg
pactanda.com
recipes.phunh.com
app.piat.solutions
plamivaskowedding.com
www.premisesinjurymiami.com
dev.proinvoice.co
www.quarry.vc
www.rajulsaxena.com
app.rave-web.com
www.regtcphmx.app
add.ricaun.com
labyrint.rubicongames.cz
app.ruediregio.ch
rustin.dev
www.sergiosapps.com
www.skies.wtf
www.slavabot.ru
www.smartsalesec.com
st-design.be
suddenbooks.com
tatakua.com.mx
teveri.com
thinkrupt.in
www.threeindex.com
trespagos.com
asesorvirtual.tusproximasvacaciones.com
www.ushort.site
engenharia.usucampeao.com.br
share.vamospadel.rs
www.vdesk.us
theant.veintevueltas.com
vesseltracker.us
admin.wardootech.com
www.wimpsody.com
questionnaire.winner-english.com
www.wtvr.games
tinygoals.xilerth.com
onboard.yoyoreact.com.au
ytorganize.com
zipfian.science
Other domains in certificate