Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=cursosdajuju.co
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 27, 2025
Valid Until
March 27, 2026 32 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
1A:1E:15:18:17:26:53:C1:FC:56:A8:B7:1B:70:56:84:31:6B:E4:C2:00:EE:03:93:39:DB:0F:C0:E5:24:CA:40
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

89 domains
tipdealfa.com *.tipdealfa.com *.cpanel.tipdealfa.com

Other domains in certificate

17353162-coinbase.com *.17353162-coinbase.com *.ww25.17353162-coinbase.com
6estsieger.de *.6estsieger.de *.random.6estsieger.de
*.app.bossflghters.me bossflghters.me *.bossflghters.me
cursosdajuju.co *.cursosdajuju.co *.ww25.cursosdajuju.co
*.cie-incorporacaodeedificios.digitalexponencial.online *.codigo-pev.digitalexponencial.online digitalexponencial.online *.digitalexponencial.online *.lorranemendesbeauty.digitalexponencial.online *.metodopedroprimao.digitalexponencial.online *.styleflix.digitalexponencial.online *.teclas.digitalexponencial.online *.zapprapido.digitalexponencial.online
fabryka-zaproszen.pl *.fabryka-zaproszen.pl *.sklep.fabryka-zaproszen.pl
forkliftsalesinsydney.com.au *.forkliftsalesinsydney.com.au *.ww38.forkliftsalesinsydney.com.au
hobos.au *.hobos.au
kaciri.site *.kaciri.site *.mt7q5fjr.kaciri.site *.ww25.kaciri.site
lemot.io *.lemot.io
lessons2.online *.lessons2.online *.random.lessons2.online
manamoa98.com *.manamoa98.com
movies2hd.com *.movies2hd.com *.ww25.movies2hd.com *.ww43.movies2hd.com *.ww6.movies2hd.com
*.demo.mytres.co.uk mytres.co.uk *.mytres.co.uk
*.academy.nikwolf.com *.gersuz.nikwolf.com *.mssignal.nikwolf.com nikwolf.com *.nikwolf.com
*.comune.piagrows.org *.mx.piagrows.org piagrows.org *.piagrows.org
ramserhali.com *.ramserhali.com
*.random.russmilne.com russmilne.com *.russmilne.com
sbo.mobi *.sbo.mobi
shotglasses.au *.shotglasses.au
smy.au *.smy.au *.ww38.smy.au
*.now.soport.me soport.me *.soport.me
*.admin.specialbooks.co specialbooks.co *.specialbooks.co
*.streams.totalsporttek.pro totalsporttek.pro *.totalsporttek.pro *.ww25.totalsporttek.pro
vivibubbleteaboston.com *.vivibubbleteaboston.com
wegger.org *.wegger.org
*.privacy.zippyd.co.uk zippyd.co.uk *.zippyd.co.uk