77/100 SECURITY SCORE

Certificate Information

Subject
CN=koralkynahradbach.cz
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 05, 2025
Valid Until
March 05, 2026 64 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FD:43:B6:D2:54:96:D4:D1:17:21:7B:C9:2F:A0:8B:E1:73:FA:9A:1D:4D:10:FB:4D:10:F2:BB:26:BD:17:E8:36
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.sezerious.com

Other domains in certificate

staging.abaixodezero.net
airtips.app
www.alephzero.ai
www.wellness.alignera.ai
www.alinon.tech
altabusca.com.br
krishnagiri.anbudroptaxi.com
andrewchavez.me
cirilla.appcheap.io
mate.bandinc.jp
store-admin.bookinggood.net
brainsquared.de
staging.bulletn.co
butor-keszites-tervezes.hu
leabraithwaitecounselling.cafetextual.com
www.chamaraabeysekara.com
sriraama-admin.classet.in
helpage.cmedhealth.com
login.playworks.co.kr
login.addressbook.gcp.coin.it
concretecake.se
darin-student-info.online
www.dataharbour.com.au
dev.signature.diwala.io
dnmtconsult.org
go.dyme.com
fagnerjunqueira.online
fitring.nl
flow.fka.agency
fraservalleyphotography.pro
app.freeguides.com
www.getworkouts.io
gothamgg.com.br
www.happnlink.com
harshadmoray.com
hisherpoint.com
beta.app.ikiteo.com
client-api.invito.link
ironopolis.co.uk
www.isthebluelinefucked.com
solano-cpc.clients.joinpromise.com
k9lands.com
city.karla.ai
komonori.jp
koralkynahradbach.cz
lamoral-coatings.com
www.learningjournal.online
lenlennoynoy-info.site
lentilhas.com
lesclesdor.fr
www.luft-brix.de
lynak.site
www.madars.org
www.martintoddbuilding.co.uk
admin.meansmotive.com www.meansmotive.com
mohsinkhanshaik.com
moonlet.xyz
networkplan.muessig.app
naywinhtun.me
www.nemcaretezpur.com
www.neunormal.ch
auth.staging.nside.io
philipjohnsegarra.site
www.physicstube.net
pollive.com
previashot.es
protectinglocalconsumers.org
prothama.com
firebase.radiostreaming.rs
www.readylife.com
links.ringgo.co.uk
saankhya.academy
www.santhugao.com
senakayasu.com
servicescape.io
web4.shiur.cloud
shopabacus.com
shopdhoom.com
snailhousecampervans.com
link.beta.songpop3.com
sozopol-bg.net
www.spn-technology.co.nz
web.startupfino.com
www.strongpigeon.dev
sullyslegacy.com
tariqej.com
themurrayfieldclub.com
thiatham.space
go-dev.tryhabitual.com
ubicalculator.com
gestioncomercial.upplication.com
stage.utnas-chatbot.net
kallakurichi.vishnutaxi.com tenkasi.vishnutaxi.com thanjavur.vishnutaxi.com
apps.wesolvers.com
www.yayofono.com
www.yrityspalvelutoulu.fi