Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=zapojsedovoleb.cz
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
March 09, 2026
Valid Until
June 07, 2026 43 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F6:3F:B0:19:D3:31:73:B4:24:7A:6C:40:0A:58:7A:8C:21:7E:8C:F3:01:66:35:91:15:CD:B7:F7:F0:39:2C:0E
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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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
petrodata.net

Other domains in certificate

app.7ader.net
landing.abfacademy.com.br
www.almarquitetura.pt
altronai.in
www.ananth.link
www.appclick.ai
www.arqwoodstudios.in
askstar.kr
hr.aspenmw.com
aurlynq.com www.aurlynq.com
awflabs.ai
admin.balcaodeempregosdigital.com.br
copy.bastidores.pro swipefile.bastidores.pro
blackfalconjobs.com
kaptis.blobrain.com
brabantfarms.com
breathfree.app
www.casap2p.com
ciriacodeveloper.com
tneutral.cloudframework.app
www.codecrown.in
www.convertquick.ai
cubcamp.us
share.datemindude.dk
dojowars.ph
www.dramityadav.shop
duaplayerpro.org
teacher.edumaker.kr
app.ekarta.gr
enioazevedo.com.br
games.fandance.ru
figprompt.com
filezip.in
www.foundersbasketball.org
school.fynbos-hs.co.za
www.geneseed.ph
geta-solutions.com
getpraccy.com
gocho.shop
badminton.hoenmike.io.vn
www.ideal-einbruchschutz.at
emprestat.impulsolabs.com.ar
insightsreal.ru
www.interify.mx
dijitaltesvik.iottech.com.tr
jago.live
share.staging.japan-pachinko-navi.com
www.jili.surf
karkhanislabs.com www.karkhanislabs.com
kidmo.tr
kivoolifehub.com
kolesovgena.ru
kollektivtrafikkartan.se
linhngo.dev
lukasczulak.de
get.lukaz.ai
admin.mdovisio.com.br
www.mebuki-academy.com
rtc.medeintegra.app
www.meghaos.in
morenofantasy.com.ar
myshiftmanagement.com
www.netrox.eu
notifai.co.za
omiqo.online
svgfashion.iotbit.otobit.com
playtalon.win
portaldigitalpackpro.com.br
rcsystemsca.com
sarpdkaya.com.tr
www.seethedust.com
seismicdev.it
www.sked.ai
learn.smartmagic.io
admin.smsenterprises.store
snapcal.pics
www.strydes.co.za
dashboard.supercheckout.ai
tablix.com.mx
apps.techtown.fr quiztown.techtown.fr
caculator.trustagent.com.vn
usataxescpa.com
www.versensa.com
viewx.one
admin.kombit.virego.app
www.viventie.de
www.wecreates.ltd
form.wl.team
app.yilcore.com
www.yilintongfu.lol
portal-staging.yourgutmap.co.uk
yourinvited.lk
app.z3data.com.br
zapojsedovoleb.cz
staging.admin.zenning.ai