Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=easytheory.org
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
August 08, 2026
Valid Until
November 06, 2026 85 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
DB:44:44:E4:64:21:EF:34:B8:BA:66:30:D4:74:19:03:7F:CF:7C:77:E4:57:3A:B5:FF:10:F9:CE:93:E1:49:CA
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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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
soapsbymou.com

Other domains in certificate

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altrust.co.jp
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www.comeclarity.co.za
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rumboacaba.cursosresidencias.com
www.cynthia-song.com
djotnow.com
www.dorfielabs.com
easytheory.org
www.enahtech.com
www.fabricadichocolateoficial.com.br
app.finessapp.com
twindle.fireshark.tech
www.flowit-internet.com
formacaocenaculo.com
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freshstreet.org
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golf.gooddevelopment.studio
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literaryhomuncul.us
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www.vermogensval.nl
villaadrika.com
webdeveloperny.com
link.world-museum.org
random-string.xemprod.com
xpstech.ca
www.xyt953.eu.org
go-dev.yodo.ch
zdatalab.com.br
client.zlatnicesalj.com