DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

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

Certificate Information

Subject
CN=tismer.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
May 20, 2026
Valid Until
August 18, 2026 82 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A6:B2:AE:88:40:26:49:A9:54:3D:2A:6E:D4:6F:13:19:EB:1E:2D:19:07:9E:7A:A1:87:AB:25:EE:62:71:B6:0F
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
freeproject.support *.freeproject.support *.6czd71.freeproject.support *.demo.freeproject.support

Other domains in certificate

badtube.cc *.badtube.cc *.pluralsight.badtube.cc *.ww25.badtube.cc
lojashoppe.com.br *.lojashoppe.com.br
*.2.printfriendly.co *.analytic-alpha.printfriendly.co *.api.printfriendly.co *.app.printfriendly.co *.beta.printfriendly.co *.blog.printfriendly.co *.cdn.printfriendly.co *.crm.printfriendly.co *.demo.printfriendly.co *.dev.printfriendly.co *.forums.printfriendly.co *.help.printfriendly.co *.home.printfriendly.co *.m.printfriendly.co *.mobile.printfriendly.co *.new.printfriendly.co *.next-dev.printfriendly.co *.old.printfriendly.co printfriendly.co *.printfriendly.co *.shop.printfriendly.co *.sitemap.printfriendly.co *.sitemaps.printfriendly.co *.store.printfriendly.co *.support.printfriendly.co *.temp.printfriendly.co *.test.printfriendly.co *.wiki.printfriendly.co *.ww25.printfriendly.co *.ww38.printfriendly.co *.www.printfriendly.co
*.archive.tismer.com *.c.tismer.com *.co.tismer.com *.cpanel.tismer.com *.cqbdri.tismer.com *.crm.tismer.com *.dev2.tismer.com *.download.tismer.com *.education.tismer.com *.eng.tismer.com *.eu.tismer.com *.forms.tismer.com *.forums.tismer.com *.fun.tismer.com *.gd.tismer.com *.ghmobile.tismer.com *.gmail.tismer.com *.gmqn.tismer.com *.gp.tismer.com *.health.tismer.com *.hr.tismer.com *.jobs.tismer.com *.jsjgc.tismer.com *.k.tismer.com *.kyc.tismer.com *.lhsr.tismer.com *.lolriotmall.tismer.com *.monitor.tismer.com *.music.tismer.com *.nbjl.tismer.com *.ns2.tismer.com *.pantianshou.tismer.com *.sh.tismer.com *.shiji.tismer.com *.static.tismer.com *.sthjj.tismer.com tismer.com *.tismer.com *.users.tismer.com *.webmail.tismer.com *.ww1.tismer.com *.ww16.tismer.com *.xgzx.tismer.com *.xl.tismer.com *.zxchain.tismer.com
*.com.wurank.com wurank.com *.wurank.com *.xyz.wurank.com