Open Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=ott360grad.de
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 07, 2025
Valid Until
March 08, 2026 89 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B0:E4:E0:F7:04:A4:8D:E9:7A:20:D3:19:4D:A5:BF:0D:AE:10:D3:25:DE:C1:CD:B9:4A:A1:56:E4:BA:58:7C:8A
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
ambiance-color.fr

Other domains in certificate

bbs.5u.hk
www.75jaarbevrijdingommenapp.nl
snippet.affilimate.io
androidaudioplugin.org
www.applied.digital
app.autop.online
www.bargybud.com
blockl.ink
code.buzzapp.is
admin.casasavana.com.br
www.centro-boi.com
www.ciso.careers
cityofgracerccg.org
staging.clay10.co.uk
www.couldcomputers.org
share.cta.mn
cyberapocalypse.uk
app.cyberask.com.au
auth.c7l.cyberhaven.io
www.darkeinu-exams.org
dev.dealpartner.lk
test.devanshbajaj.dev
app.doconation.com
eascend.org
www.easy-budgets.com
fabiosousa.pro
www.factorio-francophone.ovh
fastproject.fr
www.fcokicktipp.de
laszlo.fodor.dev
www.fuzyongames.com
www.gabrielbrasileiro.dev
comune.garzone.store
install.gotocompu.com
grapeia.com.br
www.gunz.com.br
dod.humanli.ai
www.iarahealth.com
app.iconicair.io
www.investography.in
kataratech.io
studio-eu.kiswe.com
leiatreener.ee
lifelinechurchatlanta.org
nagapattinam.loyaldroptaxi.com
worldcup.marcello.dev
markusmassage.hu
markwatabe.com
matom.ai
www.mlz.gg
motto.to
mrch.dk
anthem.mycase.tax
www.myeventpass.com
soycandidato.mymoons.mx
agendar.mymoons.pe
dota.nevack.dev
ngonimujuru.com
nodamectravels.com
norand.io
sans.ondagoapp.com
ott360grad.de
p2plearningtogether.org
app.pagosmultired.com
pakkemodellen.dk
app.pappstor.com
www.poplme.com
yubari.pubrepo.jp
nl.zim.quickcommerce.org
quitandoka.com.br
admin.reseauaccesfamille.org
talisma.riso.dev
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saveourbooks.org.uk
clinical-stage.scilifelab.se
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erp.stonepro.com.br
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www.triumphtechnicalinformation.com
tubeapp.net
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prod.unsolvd.app
valdezconsultores.mx
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admin.vedantaspain.es
dealer.vesselviewmobile.net
vrb.me
whenstarsalign.net
documents.wholechain.com
www.woodyswoodpile.com
www.964.live
www.yashikapublications.com
www.zachandnora.wedding