DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=coinstella.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 02, 2026
Valid Until
May 03, 2026 86 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
CD:CE:07:A6:8C:F0:12:09:C3:EE:FD:59:04:31:3B:45:AD:92:D0:90:5C:5F:6A:21:7F:18:B9:CA:E9:29:E8:E8
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
choppas.com *.choppas.com *.api.choppas.com

Other domains in certificate

100caloriediet.com *.100caloriediet.com *.dev.100caloriediet.com *.ww1.100caloriediet.com
360deck.com *.360deck.com *.www.360deck.com
archform.ltd *.archform.ltd *.feed.archform.ltd *.scaler-staging.archform.ltd
benefeeds.com *.benefeeds.com *.m.benefeeds.com *.qstjhelx.benefeeds.com *.ww38.benefeeds.com
*.api.coinstella.com *.backup.coinstella.com coinstella.com *.coinstella.com *.demo.coinstella.com *.dev.coinstella.com *.rdp.coinstella.com *.testing.coinstella.com *.vvaahapi.coinstella.com
*.auth.gaancafe.xyz *.forum.gaancafe.xyz gaancafe.xyz *.gaancafe.xyz *.ww25.gaancafe.xyz
jialei.com *.jialei.com *.wildcard.jialei.com *.ww01.jialei.com *.zmail.jialei.com
*.cpcontacts.lgbtfamilylawyer.com lgbtfamilylawyer.com *.lgbtfamilylawyer.com
miacademia.com *.miacademia.com *.webmail.miacademia.com
muchmore.net *.muchmore.net *.ww25.muchmore.net
*.admin.noshin.com *.dev.noshin.com noshin.com *.noshin.com *.random.noshin.com *.shi.noshin.com *.www.noshin.com
*.hostmaster.penguinfan.com penguinfan.com *.penguinfan.com *.wildcard.penguinfan.com
poezija.com *.poezija.com *.ww16.poezija.com
predsjednik.com *.predsjednik.com *.ww38.predsjednik.com
*.app.pvinsight.com pvinsight.com *.pvinsight.com
*.enr3p.registreapp-formucalifitbenefi25ezio.top registreapp-formucalifitbenefi25ezio.top *.registreapp-formucalifitbenefi25ezio.top
*.auction.savilles.co.uk savilles.co.uk *.savilles.co.uk
*.prod1.thirtyplussinglesdating.com thirtyplussinglesdating.com *.thirtyplussinglesdating.com
*.5ar8erbj0l.tsupa.com tsupa.com *.tsupa.com
*.autoconfig.tuyter.com *.firewall.tuyter.com tuyter.com *.tuyter.com
*.5.twentysports.com twentysports.com *.twentysports.com
*.sitemap.vipbuy.life vipbuy.life *.vipbuy.life