Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=yousing.it
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 13, 2026
Valid Until
May 14, 2026 85 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
EC:85:EE:73:E0:7F:4C:6F:D0:D5:71:D5:77:01:43:21:35:44:B4:C4:76:F2:83:24:35:5C:9F:74:D3:9C:2B:AA
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
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
retention.it *.retention.it

Other domains in certificate

clubofsex.com *.clubofsex.com *.ww38.clubofsex.com
cuc.com.pl *.cuc.com.pl *.mail.cuc.com.pl *.mail2.cuc.com.pl *.owa.cuc.com.pl *.pop.cuc.com.pl *.sitemaps.cuc.com.pl
lookmovie2.gg *.lookmovie2.gg *.ww16.lookmovie2.gg
*.autodiscover.pdambanyumas.com *.cpanel.pdambanyumas.com *.cpcontacts.pdambanyumas.com *.eproc.pdambanyumas.com *.mail.pdambanyumas.com pdambanyumas.com *.pdambanyumas.com *.sandbox.pdambanyumas.com *.webdisk.pdambanyumas.com *.webmail.pdambanyumas.com *.ww.pdambanyumas.com *.ww25.pdambanyumas.com
petmedications.it *.petmedications.it
prezzocase.it *.prezzocase.it
primaqualita.it *.primaqualita.it
q8556.cam *.q8556.cam
qfyktc.net *.qfyktc.net
qgfdv.pro *.qgfdv.pro
qmmqy.tv *.qmmqy.tv
rappers.it *.rappers.it
recordable.it *.recordable.it
*.agent.reitshuster.de *.all.reitshuster.de *.app.reitshuster.de *.client.reitshuster.de *.customer.reitshuster.de *.kunde.reitshuster.de *.kunden.reitshuster.de *.kundenportal.reitshuster.de *.my.reitshuster.de *.partner.reitshuster.de *.portal.reitshuster.de reitshuster.de *.reitshuster.de *.shop.reitshuster.de *.store.reitshuster.de *.ups.reitshuster.de *.user.reitshuster.de *.users.reitshuster.de *.vpn.reitshuster.de *.vpnfortinet.reitshuster.de *.webmail.reitshuster.de *.www.reitshuster.de
removing.it *.removing.it
renksozluk.org *.renksozluk.org
replayed.it *.replayed.it
representatives.it *.representatives.it
rescueyoursavings.com *.rescueyoursavings.com
rgthgbtrhg.info *.rgthgbtrhg.info
rinetcratl.com *.rinetcratl.com
*.courouw.sail.au sail.au *.sail.au
*.com.utahrentalmarket.com utahrentalmarket.com *.utahrentalmarket.com
*.app.yousing.it yousing.it *.yousing.it