Open
Cached
·
just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=calumgould.com
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 07, 2025
Valid Until
March 07, 2026
71 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
3A:B0:A1:B9:90:B4:1E:50:0C:E4:AC:14:9F:9D:F4:35:F3:1D:DD:13:6B:E3:C7:08:B8:3D:5D:81:18:DE:3D:EE
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
kyzeflo.com
admissio.mx
aedg.education
catalyst.alexcruse.xyz
appsure.io
www.arbej.com
app.ardenthire.com
www.armolaw.com
link.astropay.com
www.attentionapp.dev
cob.baggageprocess.com
www.beststore.app
binied.com
cleantime-app.blumas.com.ar
www.brotagrologic.com
www.brusentsov.dev
callbuddy.app
calumgould.com
cengelsman.com
chainsure.de
chalogive.org
chiropractorgb.com
app7.closedcaptioncreator.com
web.contractapay.com.au
www.ctca.dev
danlowe.me
de-imker.de
www.dekarbonizaceceska.cz
delexbrokers.com
newurban.mb.dev.br
eregar.com
f1bingo.eveland.dev
everythingaboutbananas.com
fieldmanagement.exagensolutions.com
www.harleyskills.harleybrito.dev
indiahaat.in
www.invoicehub.co
www.iwebsite.dev
jose.dev
staging-clientes.k-9apps.com
kargonerde.net
keltechpc.com
debug.kiana.dev
kmzn.dev
www.laurieontech.dev
isubmit-v2.lshub.net
gesuga.marcafranca.com
photos.markwclancy.com
matthewtyson.dev
lmlac.mauriciapictures.com
mintiejamie.com
www.monitoro.app
mousse.fr
www.myeclone.com
www.myplaceaus.com.au
www.nandishi.com
nanosoft.co.za
app.netenglish.com
nottscfl.app
omniaria.com
app.onlyfriends.com.au
app-test.pangosports.com
paperpeople.io
buymeacoffee.pay.futbol
clk.payddt.com
play.planningpoker.com
api-doc.postcode-jp.com
www.projectnext.app
quentinribierre.com
qwelohq.com
staging.rakefet.app
orders.qa3.restoplus.com
orders.qa4.restoplus.com
rocketsweep.app
shiristudio.com
shogix.jp
backoffice.development.skipr.ninja
snark.app
web.sommerogfritid.dk
spielo.app
splitmyexcelfile.com
turnovirtual.sura.cloud
tailoredresources.com.br
go.teamfone.com
tenalimarketplace.com
dashboard.tenczyninfo.com
app.thevistaapp.com
todiworld.com
www.tomjefferis.com
inschrijven.trapezium2950.be
sdk-console-noneu.truecaller.com
auth.test.tryforest.com
uslawshield.us
visionpentecostal.com
vividit.eu
walnutappstudio.com
washfresh.kr
staging.wozbezwaar.biz
affiliates-admin.yomando.co
youtubeshuffler.com
Other domains in certificate