Cached · 9m ago
77/100 SECURITY SCORE

Certificate Information

Subject
CN=learni.jp
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 25, 2025
Valid Until
March 25, 2026 72 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0F:33:D6:AB:5A:F9:B7:5E:A8:43:66:F0:19:F9:4F:B1:79:A1:39:F2:8D:4A:F5:5E:9C:A7:F3:62:CC:79:A1:72
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
setupxpay.com

Other domains in certificate

10letters.app
4cashoffer.com
auth.aimlog.app
www.arriveorigin.com
ascleaningsolutions.com
www.astriadigital.ai
yuki.atm0srnd.com
autocitaconsular.com
aveyalife.com www.aveyalife.com
avivyovel.com
login.basebuilders.com
promotores.bbox.com.co
bhyve.blacksmithlabs.dev
www.blazingtrails.app
www.brettyang.ca
brickwebs.com
brightandsunnyproductions.com
www.brindleco.com
www.cantare.app
capitalheartclinic.com
www.centroterapeuticocubic.com
octobot.cgsphoto.com
chaivuriti.com
www.ciccanada.com
www.cokearcade.com
www.corgicouriers.co.uk
cuptracker.com
cyber-ed.app
cytesoft.com
dena.ai
www.derm-ai.app
dhtechnology.co.uk
digibook-in.digimogo.com
www.dimamoonart.com
dev.tools.divconcontrols.com
djucasolar.com
www.dudley-codes.com
tharagaireadymades.dynamicliquids.com
www.easique.com
kione.edcliente.com.br
evnnovator.com
exenea.com
feldenkrais-s-aubineau.com
jammming.francescosommaruga.com
friendcasts.net
getahead.com.au
lawstudio.getcarbon.ai
gimmedatdawg.com
www.glensedi.com
auth.goodcrypto.app
open.happs.app
heimathafen.io
www.hilogarage.co.uk
indiasalesman.com
auth.instantform.app
johnnyhn.com
www.korshem.net
learni.jp
mioxxogas.lernit.app
lfconnect.net
louiza-labs.com
vvgp-with.lsceco.cloud
luigisbulge.com
matchavariani.com
telugu.corona.mayamd.ai
www.munaldi.app
suggest-demo.naughie.com
nkch.app
survival.nwbbc.com
ob-res.com
www.onerealpocket.com
password.zip
patchwork.app
longview.plannt.app
beta.plusdelta.app
promptdue.com
guestlist-backoffice.qeerio.com
www.referfire.com
relar-pgpr.com
www.reprobaterecordings.com
ronaldvanbeek.nl
links.rouvy.com
scholars.guide
perkin.snowleo.me
admindr.sqa-io.com
studioludens.com
telebalk.com
www.texasholdemwithfriends.com
www.themesmanager.app
www.thinkfoodandjapan.org
tripaddicto.com
tusvecinos.app
cdie.uanl.mx
www.upendocares.com
urbankirana.in
prep.admin.internal.viana.ai
www.westalbilling.com
wordpal.me