Open
Cached
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just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=nkk.misschool.net
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 14, 2025
Valid Until
January 12, 2026
37 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
21:A1:E9:E7:FF:A0:FA:C2:A2:40:08:B1:79:67:11:43:4E:F9:91:FA:32:30:84:17:7F:DD:B9:D4:AD:6B:65:35
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
houssem-marzougui.com
1st.technology
28.yusuf.app
www.420vilakazi.co.za
www.5bdigitalsummit.com
www.aaronhe.ca
aastocklabs.aaweblabentreprises.com
dev.aegiss.ai
www.aipetto.com
newsletter.appliedinnovationexchange.com
artofcombustion.com
www.artofcombustion.com
aviwalia.com
axel.sh
www.brfitnessdev.biharcoder.com
blackpowerpuffs.com
bts.brandtellers.com
buymyaston.com
www.c911.biz
cagrieroglu.com
capstechnology.co
www.certchip.com
www.cizlot.com
clientlypro.com
promotion.talentx.co.kr
dashboard.coffbox.win
npc.finaidservices-prod.collegeboard.org
blog.compliancechimp.com
new-backoffice.staging.copyrightagent.com
www.dedarri.com
www.dfeverx.com
dhandp.com
doutoraalicecastro.com.br
turklerbulusuyo.easyapp.co
www.easypaylk.com
oficial-develop.enricomisasi.com.br
links.eventcruisesnyc.com
live.ferobill.com
closet.fordays.com
www.fructif.com
www.getdevour.com
go-kundenportal.at
goomy.ai
www.gq.net
app.heymdall.com
ecommerce.iagouzal.com
about.ibekan.com
jlukenoff.com
console2.joker3.com
www.jrunited.net
dev.your.karma.life
pymohub.lapieza.io
art.leclissi.com
www.listfinite.com
functions.live.inc
msearch.lotusfa.com
lumatron.art
www.manasvoyagers.com
marcyforgeyborlikmd.com
app.mcleod.irish
www.michaelkaserer.com
nkk.misschool.net
form.mytitleprocessor.com
evararentals.ninecombinations.com
nooralayadhi.com
cms.nuoc2h.com
oneselect.global
henrysaiz.ourspace.me
celevators-app.oz-tms.com
dev-hesia.pappstor.com
pinstopconcierge.com
auth.propheticruqyah.com
auth.realoq.com
reassign.net.au
relavv.com
rfnaturals.com
cramer.satelite.ai
www.scottcurry.dev
shreerangtech.com
app.sidekicktool.com
sivoy.cl
preprod-app.speakylink.ca
cactibaseballismscratchadmin.sqwadhq.com
dev.tamil-football.dk
dl.tamils.rocks
tawings.com
evifasa.tcontur.pe
www.teamtribe.de
login.thechesedfund.com
invitefriend.tips.sg
tirupationlinebook.co
tmail.twwyachts.net
unterauer.com
opinie.usp.center
vd.agency
cmh.vkds.ca
www.vrxphotoedit.com
applink-waiterprofast-orders.waiterpro.com
www.yusufhassan.com
dev.waik.zal1000.com
Other domains in certificate