DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=kupa.bet
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 09, 2026
Valid Until
May 10, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D7:39:2D:DC:E9:4C:D8:37:E6:80:DF:9F:9A:24:57:A3:61:AD:77:4A:F9:71:8A:7D:53:E1:5C:38:23:6A:1E:2B
Alternative Names
89 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
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

89 domains
yaomeng.com *.yaomeng.com *.cf.yaomeng.com *.download.yaomeng.com *.sitemap.yaomeng.com *.sitemaps.yaomeng.com *.vpn.yaomeng.com *.ww17.yaomeng.com *.ww25.yaomeng.com

Other domains in certificate

buildapp.vip *.buildapp.vip *.www.buildapp.vip
*.api.happymodern.shop *.app.happymodern.shop *.bigboss.happymodern.shop *.boss.happymodern.shop *.dev.happymodern.shop happymodern.shop *.happymodern.shop *.home.happymodern.shop *.m.happymodern.shop *.mobile.happymodern.shop *.news.happymodern.shop *.sitemap.happymodern.shop *.sitemaps.happymodern.shop *.wap.happymodern.shop *.web.happymodern.shop *.ww16.happymodern.shop *.ww25.happymodern.shop *.www.happymodern.shop
kupa.bet *.kupa.bet *.sport.kupa.bet
*.ci.lushhairstudio.co.uk lushhairstudio.co.uk *.lushhairstudio.co.uk *.random.lushhairstudio.co.uk *.store.lushhairstudio.co.uk *.ww25.lushhairstudio.co.uk *.ww38.lushhairstudio.co.uk
makeclaim.co *.makeclaim.co *.ww25.makeclaim.co *.ww38.makeclaim.co
medbridego.com *.medbridego.com
*.access.patienteninformation.com *.ch.patienteninformation.com *.clients.patienteninformation.com *.connect.patienteninformation.com *.gp.patienteninformation.com *.hgyfqgp.patienteninformation.com *.m.patienteninformation.com *.mail.patienteninformation.com *.members.patienteninformation.com patienteninformation.com *.patienteninformation.com *.rd.patienteninformation.com *.rdp.patienteninformation.com *.rds.patienteninformation.com *.rdweb.patienteninformation.com *.remoto.patienteninformation.com *.secure.patienteninformation.com *.ssl.patienteninformation.com *.staging.patienteninformation.com *.test.patienteninformation.com *.vpn.patienteninformation.com *.vpn2.patienteninformation.com *.vpnssl.patienteninformation.com *.whlvftrn.patienteninformation.com *.zyzdvgp.patienteninformation.com
protectivefacemasks.com *.protectivefacemasks.com *.remote.protectivefacemasks.com *.sitemap.protectivefacemasks.com *.sitemaps.protectivefacemasks.com *.vpn.protectivefacemasks.com *.wildcard.protectivefacemasks.com *.www.protectivefacemasks.com
*.mail.qq303.vip qq303.vip *.qq303.vip *.www.qq303.vip
rumpepay.com *.rumpepay.com
*.bbs5.u3eo.xyz u3eo.xyz *.u3eo.xyz *.webmail.u3eo.xyz