Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=app.corpbook.jp
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
August 10, 2026
Valid Until
November 08, 2026 53 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4C:D4:C2:28:B7:C4:32:DC:45:25:35:A2:BB:4A:FF:19:20:21:5A:DB:49:49:8E:08:C1:8A:97:B7:43:45:F8:23
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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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
app.klugzai.de

Other domains in certificate

www.10doors.com
adisorganizedsport.com
www.agrobyte.in
albie.xyz
sol.alkan.dev
www.amandaarnaut.com
ketketpolicy.andando.sn
site.asso-fosf.fr
www.attyp.com
bib-pfizer-23.axon.es
slink.baggett.info
bandhoo.in
www.berrybbyluxe.com
bharatventure.org.uk
tarkov.bjorn.co.za
dynamic-links.bngolf.jp
brunacampos.net
timetracker.budiak.sk
app.cadreho-portage.fr
dev.cloudbusting.mx
cncmath.org
forms.confapitrentino.it
www.connextra.co.th
app.corpbook.jp
coyremar.es
pdf.cracktech.org
auth.callsign.cyberhaven.io
damagedluggage.com
depaservices.fr
www.docflix.com
blockie.doscontrauno.com
dynamopins.de
eddern.no
project.ekasaputra.my.id
elitelivein.com
www.ericschalk.com
www.facemouth.uk
gdpr.direct
www.ggsnt.com
jeroen.goudsmit.nl
app.helveticbroker.com
app.hireroo.io
www.homies.llc
order.ichiranonlinestore.hk
www.igor.art
webprojects.jaredgriffis.com
www.jidong.kr
jmrme.dev
preprod-admin.kards.fr
open-dev.karriereheld.team
kenyasafariconbosco.it
kglowgo.com
kmcat.uk
mochizuki-tax.lfv.jp
www.linckeo.fr
login.lovepopcards.com
app.configurator.lumosa.eu
edfinnovations.merci-michel.com
millylee.info
mpgf.co.za
www.mqasim.uk
myleshigh.xyz
couples.neuralab.app
nixchallenge.nl
www.noyoga.org
demo.nu-tech.com.tw
www.oceangrove.pizza
pizzahuthk.order.place
pembrokepinespermits.com
www.plantiga.io
raoshealthcare.co.uk
www.riteshnayak.com
www.rnracuity.com
headlines.ronenjain.com
www.sachinrathee.in
www.saluteminds.com
santythibaut.be
verifidforms.sarnyp.com
scweb.dpdns.org
organizadorsar.signandrun.com
songtreasures.no
pangeamadehub.soyambatech.co.za
species-log.uk www.species-log.uk
www.srismilecare.com
sumel.io
sapp.game.dev.sycasualgames.com
stop.teneight.tech
tpkumaloinc.co.za
alabama-pwa.trueomni.com
www.vanegas.pro
www.walmartnhj.com
webuyscrap.vn
www.whatsinyourfridge.tech
success.wilmeltech.com
www.worthlessfact.com
acceptance.yellowq.nl
t1.yoidorecircus.com
blog.ysc3839.com