89/100 SECURITY SCORE

Certificate Information

Subject
CN=www.bookey.org.uk
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 15, 2025
Valid Until
March 15, 2026 83 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F1:13:38:DB:6A:1F:5D:1A:FA:10:B3:17:62:42:02:99:E2:6B:BD:B3:0C:BE:CD:39:01:D2:FA:3C:AD:2B:91:97
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=63072000
Content-Security-Policy
Basic
default-src; script-src; connect-src; +6 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • 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
mx-tickets-staging-alex.robinheat.io

Other domains in certificate

aaitcse.com
data.adv.red
ajovuoro.fi
zumzum.app.br
arrowindustrial.com.mx
training.astrashield.net
azcrash.com
www.bipolar-mood-diary.com
www.bk88bk99.com
www.bookey.org.uk
firebase.bpmx.com.ar
brigade-halo.com
briskrenewables.com
www.chordx.app
crunchyroll-prod-api.closedcaptionconverter.com
groneshedtech.co.in www.groneshedtech.co.in
certificados.codedojo.com.br
backoffice.spirit.com.do
cayirova.gunesproje.com.tr
aromasysabores.corntech.com.mx
api.crdls.com
crosscountryfantasy.com
corporate.cu-ra.net
data-visions.de
www.desarrollooperativo.com
fx.digitagram.com
disrupttechlabs.com
dromeduo.com
ecoidsystem.pl
elcarteroec.com
www.electriphant.io
www.eonrocks.com
book.estim.co.jp
evazee.com
docs.testnet.everstrike.io
www.fairsprint.com
filamentowl.shop
www.fokusgesundespferd.com
garanted.ru
www.ghien.vn
www.globaljob-dz.com
grahamstyres.co.uk
docs.hapihub.com
hellie.online
www.howlongtowork.com
www.inno-soft-tracking.com
intosoundhealing.com
iopeoples.com
jaayeka.shop
wysiwyg-web.jazertechsolution.com
www.jetpackwandererpress.com
www.joseantoniomesa.com
www.jtcarlos.com
www.kannyslab.com
app.karaokemanager.com.br
kaustubhjoshi.com
www.livemachine.com
www.losangelesinversiones.com
medqr.com
mesadelaboratorio.com
naokisato.work
web3.nodostech.io
www.nolanclark.co
odsalumni.in
www.ontolabs.com
iticket-staging.oresundsbron.com
go-staging.perkypot.com
celerity.portfoliolink.co.za
dev.proinvoice.co
pskj.world
www.ptrcknchlsn.xyz
www.rajawewaresort.com
www.regtcphmx.app
ricardofranca.me
www.saajcleaning.com.au
sdconsultants.com
sebastiangarzagarcia.com
54thworkshop.skkudramaclub.kr
st-design.be
summanenlaw.fi
www.talviwear.com
www.techprimis.com
connect-staging.timeless.investments
tradeversellc.com
christchurchcloud2.ufg.co.nz
www.unilab.health
url24.live
engenharia.usucampeao.com.br
staging.v-l.dev
vgbcglobal.com
www.video-jockey.com
vietglobiz.com
accept.visualtourbuilder.com
smoula.vojtechstefek.fun
vsoftech.net
backoffice.pulsabi.web.id
www.willowbeauty.in
www.woordle.de