77/100 SECURITY SCORE

Certificate Information

Subject
CN=alexbastianon.com
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
November 21, 2025
Valid Until
February 19, 2026 89 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
4C:EB:92:FD:D8:1B:06:41:EB:E3:6A:4E:A2:01:7F:51:AD:92:E7:B3:E9:29:AA:D8:C3:1A:4B:35:97:A6:C9:80
Alternative Names

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • TLS 1.3 is not supported (recommended)

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
teaching.thinkair.co.uk

Other domains in certificate

1spaceinteriors.com
howdens.3dcloud.io
www.int3kles.3kles-consulting.com
ahqiplano.org
alexbastianon.com
www.alukas.co.jp
heimdall.anyf.in
app.armtek.fr
www.assetequityscan.com.mx
link-dev.biocertica.com
gamepass.boix.dev
iproof.brollyhub.com
www.cardiomez.com
www.carpiomusic.com
dynamic.cellphoneslocator.com
download.chronwell.net
ciencoconstruction.com
cinagram.com
www.climformatics.com
icard.ecampus.co.in
bulkestimate.merck.insand.co.kr
www.combay.co.th
www.concoct.me
api-d.listing.cpoassist.com
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deathbringers.cz
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offers.dynamicloyalty.ai
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fiffit.com
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admin.moteev.store
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docs.staging.valora.xyz
whatever.vdoc.dev
veneciafarmersville.com
verdensbiblioteket.no
www.vhpt.scot
voipxtext.voipxonline.com
app.weallnet.com
support.wearenolte.com
app.welcomeshelter.com
xansrtech.com
xrsns.com
yaisana.in
yrbfoundation.com
maslo.zajno.com
zjoylab.com