77/100 SECURITY SCORE

Certificate Information

Subject
CN=link-o.io
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 18, 2025
Valid Until
January 16, 2026 68 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C6:1F:E4:82:53:81:A8:F1:65:33:BA:62:F9:82:03:18:26:12:F4:F7:19:8B:D5:56:AB:0D:1A:51:0A:A6:3C:A8
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
business.workbriefly.com

Other domains in certificate

api-dev.allcampspots.com
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home.call1800messiah.de
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centalpha.com
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nexagrip.co.in www.jimmys.co.in
tripsavvy.codecruncher.dev
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trackmc.coleweinman.com
collajam.com
www.consumerprotectionnetworks.com
crazyjacks.com
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planning.dewijksedienst.nl
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disposii.com
dontforgetme.nl
duncanphilpott.com
www.edutechs.app
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geo-anatomy.esad.pt
ezcallin.dk
gdogmate.com
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curateddeals.joinklover.com
www.kesling.co
app.kipinto.ch
www.kkrl.co.uk
www-dev.kloz.it
help.kushvatsa.com
deals.labtest1.com
pro.lilm.co
lens.limaois.me
link-o.io
app-v1.linkr.cc
lofton.co
webapp.losguerostaqueria.com
lp-puppy.com
mineip.org
unko.mocu.jp
nabieva-adel.ru
admin.niloo.io
outrefair.com
pattybrowndesign.com
pixley.app
www.poweredfs.com
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globalplus.qurneo.com
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sartfoundation.com
www.singinglessonsoxford.com
skypalooza.de
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talesofhark.com
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admin.tastesandcolors.com
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admin.uweb4.com prime.uweb4.com
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