Open Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=koptelefoon.nl
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 29, 2025
Valid Until
January 27, 2026 76 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AA:2C:AA:F0:DF:09:42:86:1E:3F:4D:3A:BD:FD:F0:54:AE:B4:41:2F:E2:BA:28:F8:09:51:E5:C7:BC:2F:35:6C
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
musi-nova.com

Other domains in certificate

1on1agents.com
overmap.adammarcstevenson.com
trove.adamsapps.com
www.aquaice.us
www.asani.in
fldrilling.autonomouslabs-apps.com
www.aveon.co
ayansaha.com
demo.bandquarters.com
begue.cc
bilo.ba
www.brandonkreider.com
docs.brinqa.com
app-dev.brookesnow.com
byteblox.co.za
shiryon95.yit.co.il www.projex.co.il
monkeymoon.co.in
pr.canvas.com.tr
coronaishere.com
www.cryptofarms.me
www.databasio.com
www.dreamb.app
dropmaster2.top
dev.lms.northlineschool.edu.kh
neroberg.einweisungsapp.de
admin.eql.ai
ercharts.com
espanholcombeta.com.br
api.ezhub.app
www.felicityyoung.co.uk
inventory.fleetop.net
functor.io
fundacionsm.org
gelvin.in
www.giuliagriffith.com
glovers.fr
greencitypackers.in
www.housepurchasedirect.com
www.hugoprieto.com.ar
mta-sts.ibuypc.in
www.improvelocal.app
infodraft-tech.com
www.inoa.capital
www.inrelation.io
www.inspirefamily.org
itinexa.com
jacksoneggers.com
joachimwedin.com
dev.joblog24.nl
koptelefoon.nl
labelboost.net
lp.libertadividas.com.br
libertyhardwares.com
lordos.tech
hs.app.lucaedu.com
www.mahamulti.com
dev.majesteamarketing.com
duplicatefileremover.makeminespicy.com
mdibraralam.in
www.mice.software
retail.moons.pe
kripta.nickstick.nl
nimittajmera.com
olymposberries.com
emsa.ondagoapp.com
www.quran.org.za
www.originofcircles.org
pattondynamics.com
auth.pzmk.cz
vendor-dev5.qlub.cloud
solvers.quickcells.co
quizzical.io
rapil.pl
www.rcnp.cl
dev.re7maison.com
m.sachurchhub.com
www.shawn.sh
dev.telfersadmin.simplesoftware.nz
tenthings.siteless.co
d.smiles.ai
bfc.snapmentor.no
www.sparkforge.media
thecloudymethod.com
thedonator.org
timothykosakoy.co
login.tinychef.ai
toss-online.com
www.umfprep.ro
app.unmessyit.com
ushaindustrialmanufacturing.com www.ushaindustrialmanufacturing.com
conf.velocityps.com.au
vibepay.app
vizitmedgora.ru
www.learn.wethink.info
whiteboard.page
www.yeehawtech.com
zilinasal.com