77/100 SECURITY SCORE

Certificate Information

Subject
CN=www.jmfljanssen.nl
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 28, 2025
Valid Until
January 26, 2026 64 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
78:4B:60:1D:D1:89:D6:28:E8:2A:5C:75:3A:CA:0A:05:E9:34:17:8F:90:C0:42:BB:DF:0E:80:42:A5:70:BE:93
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
simmons-creativesolutions.uk

Other domains in certificate

pwa.law.7yhps.com
www.aayushsoft.com
bytsai.adtheophanix.com
advayafoundation.org
www.andreasbagias.com
www.andycleancar.be
anisbakeryandhomefoods.com
bms.anvileight.com
associazionefelicidad.it
app.azibou.com
beansapptest.com
beeche.dev
birthdaycountdown.app
bnder.dev
alive.byintention.de
qe.astra.choozle.com
clubcerezo.com
fighnafrica.com.ng qdata.com.ng
comtop.ie
app.corretoraideal.com.br
www.dnafriend.com
www.dytmustafayontem.com
ecolap.es
elitechirotech.com
www.embrodia.com
expertclouds.pro
order.ezserve.site
app-stg.infra.fabrhq.com
finmitr.com
www.formully.com
gdgchandigarh.in
bomjva.hightechsgyaan.com
www.hotilio.com
dev.hububz.com
ihernandez.dev
app.demo.invoicenxt.com
www.jmfljanssen.nl
www.kaanyazicioglu.com
url.kibibyte.in
kiddosparadise.in
strava.kpots.com
www.lanceinlote.com.br
prom.lskel.com
mangoinabox.be
mattiagiacone.me
microactiveinc.com
avancar.midiacode.app
mindsonline.com.br
l.mobiclocks.com
moca.cash
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mykindmind.app
www.neji.games
schichtplan.apps.new.de
www.noelwhitaker.com
www.ottertech.fr
admin.ourmosque.co.uk
nobis.overthrow.dev
beta.paincareoregon.com
app.partenero.com
payandconnect.co.za
peomodel.com
www.preteltshop.com
my.proudcity.com
quizlearn.net
readvoices.com
pinely.samarv.com
www.saudeemplanos.com
www.savally.com
sawallocouture.com
sharedthrills.com www.sharedthrills.com
app.shipn-ez.com
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slothfitapp.com
deep.small-bites.com
www.snowdog.io
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open-church.starrian.com
tilt.strollhere.com
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admin.swarghumat.in
syntaxedge.com
ta1uchida.com
www.tacticalpitch.com
admin.shadow.terrific.live
www.thriftela.com
justnote.tomarsuraj.in
tookjames.com
pwa-moscone.trueomni.com staging-moscone.trueomni.com
tvsindia.in
vaskprojekt.org
venryx.com
vigilus.com
vizulr.com
store.yona.app
zz.zulunity.cloud