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77/100
SECURITY SCORE
Certificate Information
Subject
CN=www.simplyschool.app
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 14, 2025
Valid Until
January 12, 2026
47 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0C:80:CF:A1:0C:CD:F1:4E:CE:1C:B8:4C:83:BA:36:14:BF:E1:1A:A3:C3:C0:E6:9A:AE:78:2F:7C:3B:B4:E3:24
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
fint.fi
records.3timpexglobal.com
acmsscbe.com
www.adeveloper.com.br
feedback.advanda.app
www.africadollarstore.com
innova.akdroptaxi.com
albertovazquez.dev
www.amshienterprises.com
aplyease.com
www.arturmarkowski.dev
auditorwala.com
awakend.com
curriculums.azumio.com
www.beanbazaar.com
bendzsa.com
www.bolel.us
links.robitv.bongobd.com
www.bookfind.io
qa.caddieinsights.com
ccasner.com
poa.chateau-pape-clement.fr
www.citizenshipquiz.ca
empresas.criptan.es
cskimkaratefwapp.com
cutlabournetwork.com
cynthiaobasuyi.com
dl.dacopa.com
www.dealcop.co.uk
www.delexbrokers.com
fmb.digitaf.de
doddy.se
www.edean.de
evantheinfra.com
experiencebobcat.com
english.finitefield.org
www.freshtune.org
app.fuzzycircuit.com
gobekli.xyz
gopowerai.com
gorilla.training
ilu.hassanalrawi.com
www.hassanalrawi.com
linkwith.inspired2go.org
www.kickadda.com
kovyla.pub
lazcanosamano.com
www.lechantbeny.fr
www.m5-portal.app
martinrajniak.eu
www.maxwellshen.com
mealime.app
melvintham.com
www.menghui.io
ghredux.miguhruiz.xyz
www.nbooks.pt
newspassport.app
minnow.nextinline.io
finop.nfpsp.net
www.ohparking.com
join.onelinc.com
invoices.onlinetradesmen.com
opensync.solutions
otofix.otoactivate.com
paintopiatx.com
parkur.group
paybillto.com
www.paybillto.com
proday.mn
resources.rapidresponsewv.org
www.runejs.org
salihkhan.me
scanafy.de
schapiro.biz
sevara.dev
www.sfmb-foa.com
debug.shallotapp.com
www.simplelink.in
www.simplyschool.app
www.skudu.online
www.smart-schulstart.de
snehmehta.dev
sphiverse.org
bodatorresrivas.swanmoments.com
symply.dev
technifyinc.com
screativo.technit.app
thetglawgroup.com
www.timwobith.de
www.titusebbecke.com
toddlerwalks.com
www.traitte.app
triangularitylabs.com
vitaltraining.turnosweb.app
app.udchalo.com
dev.vgcode.vgv.dev
app.logistica.waylogtech.com.br
worstgamesever.com
dashboard.yashchoprafoundation.org
yayago.ca
Other domains in certificate