Open
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just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=hdv.hk
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 10, 2025
Valid Until
January 08, 2026
38 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FC:16:A2:36:A3:79:3E:1C:30:73:AB:AD:2E:80:DB:E8:09:30:B6:A3:93:3E:EB:F8:D3:3B:0B:35:85:A8:80:9E
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
retina-atlantic.sentrex.com
kellner.4bits.mx
bo.9xlx.com
pj-fi-dev.adssets.com
notification.aesthetisuite.com
labelers.aimmo.ai
www.alolabsplus.com
shipfromstore.fpui.ameroservices.dk
anekdotes.in
www.antiinflammatory.app
app.automat.ai
images.barroisantiques.com
test.batjet.it
www.betuwings.app
navigator.bowhead.ai
cehl.site
chefs.tv
www.chronoint.com
www.codedmile.com
dev.cyferlinx.com
www.digitalgoods.dev
docus.app
www.dynamicpace.se
eannem.com
easthai.co
eftychiaevents.com
www.ethouses.io
www.ewjo.co
arcade.farazeid.com
app.feeling-match.jp
eccentricdonkey.fotorama.com.mx
app.fsnext.org
www.galeteriavenetocaxias.com
codelabs.gdgbaku.az
www.gptech-ai.com
whatdidyousay.greifmatthias.be
gsp.chat
www.guillenyasociados.com
hdv.hk
www.herospace.app
meru.ianletourneau.com
katoomi.iksnaro.com
www.imperium.rentals
blackwoodpizza.infinitifood.com.br
www.inin.vn
staff.inspireacademy.dance
itribe.in
dashboard.itsonmenu.com
www.jfhtech.com.br
www.jobbing.cl
www.joinstar.app
justride.com.br
karvesoftware.nl
www.kikobooks.com
kiptrack.app
krushanov.su
labourerwork.com
www.lammertsma.com
www.orbit.learningsuite.io
sparrows-ideen.linoo.ch
tirupathur.loyaldroptaxi.com
two.mezcal.games
www.moeshadi.info
moojob.com
name-wheel.site
nammadrones.com
pic-starvegas-ch.mentor.neccton.com
www.nelsonmha.ca
ordering.onehivegroup.com
www.onisa.co.za
onpathdiagnostics.com
ibfvinhais.org.br
fse.paistie.com
www.pandaapp.me
pixel9protraining.de
spotiapp.princdev.com
www.propexso.eu
myaccount.proxycave.com
www.psykologkurs.no
www.rageon.es
shaheenmuhammed.com
sisucarecollegeofnursing.com
dev.snippetable.com
sodialed.com
analytics.beta.spaceknow.com
stlpolicyproject.com
www.sucolabo.jp
www.ta1uchida.com
conta.tag2u.com.br
themashagame.com
admin.themint.jp
ttovarischh.com
ummo.trade
versetech.app
webhq.co.za
www.wod.app
wonplatform.com
order-de.yobee.au
order-uat.yobee.au
youssryessmatt.com
Other domains in certificate