DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=changshenggongsi.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
May 14, 2026
Valid Until
August 12, 2026 74 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
2B:BC:34:3E:20:0E:0B:8E:AF:B0:06:05:99:5A:CA:A6:D1:DF:99:D8:AE:FE:76:D6:13:CA:04:24:EA:E4:12:EF
Alternative Names
90 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
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
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • 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

90 domains
freakycoffee.com *.freakycoffee.com

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475zh.com *.475zh.com
5976080.com *.5976080.com
airops.app *.airops.app
brightsmileforyou.com *.brightsmileforyou.com
campingclub.net *.campingclub.net
caozan.com *.caozan.com
cashcard.in *.cashcard.in
ccmmkkjj4.cn *.ccmmkkjj4.cn
changshenggongsi.com *.changshenggongsi.com
falcontherapeutics.com *.falcontherapeutics.com
frenchwinecellars.com *.frenchwinecellars.com
gf666.vip *.gf666.vip
gofdu.cn *.gofdu.cn
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hentaiatream.com *.hentaiatream.com
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hilumya.info *.hilumya.info
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j445566.com *.j445566.com
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marfacollection.com *.marfacollection.com
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pblbasketball.com *.pblbasketball.com
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*.demo.stylezed.com stylezed.com *.stylezed.com
telhunters.com *.telhunters.com
tesseractfpvlink.com *.tesseractfpvlink.com
thebookmouse.com *.thebookmouse.com
tr-denemebonusuxx.com *.tr-denemebonusuxx.com
truster.ai *.truster.ai
*.demo.unicrypto.io unicrypto.io *.unicrypto.io
w13727671.com *.w13727671.com
waterlanguage.org *.waterlanguage.org
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xw7twvo.cc *.xw7twvo.cc