Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=memorization.tech
Issuer
C=US, O=Let's Encrypt, CN=YR1
Valid From
June 04, 2026
Valid Until
September 02, 2026 84 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B3:A2:10:8D:2F:54:1C:3E:62:88:7A:58:5F:90:8A:E7:CB:FD:30:94:39:4F:F7:9C:1D:1A:8B:BE:3D:E5:A8:F9
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
b2bsoftware.top *.b2bsoftware.top *.014w8.b2bsoftware.top *.1846m.b2bsoftware.top *.4kxnn.b2bsoftware.top *.5jsd7.b2bsoftware.top *.5qutp.b2bsoftware.top *.8joac.b2bsoftware.top *.b54zj.b2bsoftware.top *.c6udy.b2bsoftware.top *.cc2mm.b2bsoftware.top *.cg4o5.b2bsoftware.top *.civoh.b2bsoftware.top *.cnfr9.b2bsoftware.top *.cuyk.b2bsoftware.top *.fdy0p.b2bsoftware.top *.feew6.b2bsoftware.top *.gjdvb.b2bsoftware.top *.hrka1.b2bsoftware.top *.i51qg.b2bsoftware.top *.igqlc.b2bsoftware.top *.jyikv.b2bsoftware.top *.me7q1.b2bsoftware.top *.ootbp.b2bsoftware.top *.q2s8t.b2bsoftware.top *.s05ehv.b2bsoftware.top *.snx68.b2bsoftware.top *.uw9i.b2bsoftware.top *.vhakn.b2bsoftware.top *.vizaseq.b2bsoftware.top *.wakkl.b2bsoftware.top *.www.b2bsoftware.top *.y6iui.b2bsoftware.top

Other domains in certificate

brainybotrentals.com *.brainybotrentals.com *.sitemap.brainybotrentals.com *.sitemaps.brainybotrentals.com
*.admin.fitforher.info *.api.fitforher.info *.app.fitforher.info *.demo.fitforher.info *.dev.fitforher.info fitforher.info *.fitforher.info *.fnfnwb.fitforher.info *.jshjiu.fitforher.info *.test.fitforher.info *.www.fitforher.info
*.7lefrb.memorization.tech *.anzhuo.memorization.tech *.de.memorization.tech memorization.tech *.memorization.tech *.panel.memorization.tech *.test.memorization.tech
*.co.motricidad.com *.download.motricidad.com *.hostmaster.motricidad.com motricidad.com *.motricidad.com *.old.motricidad.com *.users.motricidad.com *.v3.motricidad.com *.videocdn.motricidad.com *.ww25.motricidad.com
panen138-id.vip *.panen138-id.vip *.www.panen138-id.vip
*.0afmf.zuka999.top *.cnfr9.zuka999.top *.feew6.zuka999.top *.g22y8.zuka999.top *.he00g.zuka999.top *.jyikv.zuka999.top *.kp5po.zuka999.top *.l1v3f.zuka999.top *.n2pro.zuka999.top *.q86h5.zuka999.top *.qakt3.zuka999.top *.qdiek.zuka999.top *.rnyzj.zuka999.top *.svzzq.zuka999.top *.tiubywslq2.zuka999.top *.www.zuka999.top *.xrqcg.zuka999.top *.xt18zr.zuka999.top *.y9zz2.zuka999.top zuka999.top *.zuka999.top