77/100 SECURITY SCORE

Certificate Information

Subject
CN=www.book4me.app
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 05, 2025
Valid Until
January 03, 2026 44 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
00:01:19:2D:C8:D0:4B:21:3B:48:D5:01:38:8B:AA:DD:79:55:46:67:DA:D9:B8:00:58:C5:C1:55:68:35:DA:B8
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
www.reblood.co.id

Other domains in certificate

airadars.com
www.ak55bet.com
alamai.dev
thook.altr.dev
ambee.app
admin.anbudroptaxi.com
transportador.bialog.com.br
auth.blackwolffitnessonline.com.au
app.dev.bluelabdev.com
www.book4me.app
dash.breadcrumbdata.com
www.brianwilkerson.com
payments.budguide.io
dev.cancount.app
www.casal.ar
cmderobertis.net
www.mombezonline.co.zw
link.codebasics.io
www.commandability.app
danmoulton.dev
cdn.dariger.kz
devtools.com.ar
deweysworld.app
admin.dotscorecard.com
earthmap.org
ecografiasveterinarias.com.ar
www.eretail.app
business.etable.app
www.exbrain.me
asiapay.ezactive.com
www.fanatech.nl
dashboard.firesafe.app
www.flipout.io
fusionlabs.app
gappo.app
garagethinking.app
iframe-cc.geovinum.app
geresapp.com.ar www.geresapp.com.ar
dr-wai-clinic-uat.getslot.app
goveoenmadrid.com
www.grupomanoamiga.mx
hiimdust.in
immigrationroutes.com
palmbeachbagel.inseat.menu
instanteostools.com
coniysebi.itesa.ar
jonaserh.art
beta.kaveatapp.com
lightbot.app
lightweight.app
api-geo.maemaewater.net
me.makeany.app
learn.mashingup.org
admin.meltinpot.org
portal.meupetshop.online
www.milkcoolers.com
dev.mobilenxt.app
www.movebox.app
ads.mutcho.app
dlkfmb.myassociation.app
mystockfolio.com
myts.app
links.namesake.app
app.nepoti.sm
nutrialfa.com.ar
nxne.info
www.openfarming.net
www.pablogamero.com
peakzone.jp
peprs.app
game.playarker.com
project-pan.com
protecton.app
gestor.publinet.com.ar
www.redflagreporter.com
retronfts.art
tracking.scholarship.app
senseev.com
www.sharadsrinivasan.com
concordia.shopstudentstore.com
app-admin.dev.env.studybuddy.cz
app.syncsignature.com
systemiser.app
cultura.tonelaje.com
admin.tongie.app
expert.trustvoyance.com
www.v-p.dev
vania.app
www.vfiber.net
vvriepas.lv
www.wakamatu-uni.net
www.wanke.cloud
stage-dl.wecarejuices.com
www.wildfirefab.net
www.winkpass.net
www.worklogs.app
xsfera.ru
zambiee.com.br