Open
Cached
·
just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=justinnguyen.us
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 21, 2025
Valid Until
March 21, 2026
68 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
61:BB:A2:C7:A7:1B:56:A9:6C:8B:0D:CA:11:84:7A:1A:83:5E:CE:57:A7:6A:15:12:B4:30:C0:1A:3E:6C:68:3F
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
flybanjo.com
2038.wtf
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chrisdz.com
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link.crewdle.com
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howmuchfuel.com
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www.app.icedragonboat.ca
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iyf.iskconsolapur.org
japanprcalculator.com
justinnguyen.us
kartr.com
leveluptek.com
www.lgx.lol
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logitronics.dev
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11521868.peerly.app
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premia.uy
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rajsava.com
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rgordonr.com
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plastika.rulebot.org
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samearth.net
notification-task.test.sandteck.com
watch-or-not.santoshm.dev
anna.sapalska.pl
app.signsa.com
app.softwareservicesltd.com
www.songsengcheong.com
strugglecraft.net
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admin.swap-eat.fr
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unibase.org
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www.usefuldata.fr
vendee-lavage.com
void.fit
staging.wewalk.app
www.whatsevr.com
wide-ranges.com
winkpass.net
app.workoutjotter.com
www.yatribuddy.com
ykbmrck.com
www.zackkelly.dev
Other domains in certificate