DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

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

Certificate Information

Subject
CN=ghlsf.cn
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
April 24, 2026
Valid Until
July 23, 2026 30 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
28:1D:60:9C:FD:C8:75:A1:B5:A9:8D:4E:6B:40:A3:B9:E8:B8:59:80:57:4C:C3:82:4A:6B:2D:47:44:6A:C8:96
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
theknowe.net *.theknowe.net *.676e45eaaa77.theknowe.net *.online.theknowe.net

Other domains in certificate

956827.pizza *.956827.pizza
*.45c7e327-e24b-434a-87ab-ccbb6461aa1b.codifis.es *.argo.codifis.es *.client.codifis.es *.cloud.codifis.es codifis.es *.codifis.es *.demo.codifis.es *.dev.codifis.es *.magento.codifis.es *.notexistsargo.codifis.es *.notexistsdemo.codifis.es *.notexistsshop.codifis.es *.notexistsstaging.codifis.es *.notexistsstore.codifis.es *.notexiststest.codifis.es *.reporting.codifis.es *.shop.codifis.es *.sorteo.codifis.es *.test.codifis.es *.xsbhedkg.codifis.es
designer-team.com *.designer-team.com *.drive.designer-team.com
*.2e86871e-c2fa-4108-b7cd-a9adcbee4931.exercisede.com *.a58aa77f-f235-418a-841b-1f6d4f69d9c0.exercisede.com *.account.exercisede.com *.app.exercisede.com *.apps.exercisede.com *.backup.exercisede.com *.beta.exercisede.com *.blog.exercisede.com *.crm.exercisede.com *.dash.exercisede.com exercisede.com *.exercisede.com *.fdd8c56e-e488-4670-8919-92e4f1f3ef7e.exercisede.com *.forum.exercisede.com *.forums.exercisede.com *.help.exercisede.com *.m.exercisede.com *.mail.exercisede.com *.new.exercisede.com *.newsletter.exercisede.com *.shop.exercisede.com *.staging.exercisede.com *.supersets.exercisede.com *.temp.exercisede.com *.test.exercisede.com *.uat.exercisede.com *.v1.exercisede.com *.vpn.exercisede.com *.wiki.exercisede.com
ghlsf.cn *.ghlsf.cn *.m.ghlsf.cn
*.api.peptalks.ai *.assets.peptalks.ai peptalks.ai *.peptalks.ai
*.dev.razvedka.company razvedka.company *.razvedka.company *.sitemaps.razvedka.company *.staging.razvedka.company *.www.razvedka.company
*.bot.situs-mobile-gem188.pics *.ftp.situs-mobile-gem188.pics situs-mobile-gem188.pics *.situs-mobile-gem188.pics
*.admin.talented.it *.backend.talented.it *.dev.talented.it *.hostmaster.talented.it *.staging.talented.it talented.it *.talented.it
thaipapayacuisineprovo.com *.thaipapayacuisineprovo.com *.ww12.thaipapayacuisineprovo.com *.www.thaipapayacuisineprovo.com
*.app.zhizihuakai.cyou *.ww38.zhizihuakai.cyou zhizihuakai.cyou *.zhizihuakai.cyou