DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=speedofitness.club
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
December 21, 2025
Valid Until
March 21, 2026 37 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0A:59:D8:0B:23:6C:52:15:E3:F9:53:96:AF:30:09:A5:91:6F:CB:8B:12:FE:D7:0D:6A:03:22:B8:36:44:9E:01
Alternative Names
78 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

78 domains
n15work.com *.n15work.com *.storage.n15work.com

Other domains in certificate

8421wsbnmxw.com *.8421wsbnmxw.com *.rdefxb.8421wsbnmxw.com *.sdk.8421wsbnmxw.com
bangdoyok.pro *.bangdoyok.pro *.hls.bangdoyok.pro *.ww25.bangdoyok.pro
betflix.cm *.betflix.cm *.obiwan.betflix.cm *.staging.betflix.cm *.ww16.betflix.cm *.ww25.betflix.cm *.ww38.betflix.cm
buy-ketogt.com *.buy-ketogt.com *.secure.buy-ketogt.com
cokoshop.xyz *.cokoshop.xyz *.ww25.cokoshop.xyz
damfjan79201.sbs *.damfjan79201.sbs *.ww25.damfjan79201.sbs
*.aaa.dlivecable.com dlivecable.com *.dlivecable.com *.m.dlivecable.com
fokusonfire9.click *.fokusonfire9.click *.rustore.fokusonfire9.click *.webmail.fokusonfire9.click
heavenlyechoesministers.org *.heavenlyechoesministers.org *.org.heavenlyechoesministers.org *.ww25.heavenlyechoesministers.org *.ww38.heavenlyechoesministers.org
*.api.markdigi.online markdigi.online *.markdigi.online
naturalvision.store *.naturalvision.store *.ww16.naturalvision.store
*.app.speedofitness.club *.hostmaster.speedofitness.club *.mail.speedofitness.club speedofitness.club *.speedofitness.club *.testing.speedofitness.club
*.random.telmaleuenberger.click telmaleuenberger.click *.telmaleuenberger.click
*.catamarans.tranceair.online *.ftp.tranceair.online *.motorboats.tranceair.online *.nv22.tranceair.online *.sailboats.tranceair.online tranceair.online *.tranceair.online *.yachts.tranceair.online
*.77e.uniformhard.online *.ap.uniformhard.online *.home.uniformhard.online uniformhard.online *.uniformhard.online *.wap.uniformhard.online
*.guiweb.we522.site *.mail.we522.site *.meradmin.we522.site *.nav.we522.site *.navigation.we522.site *.otc.we522.site *.test.we522.site we522.site *.we522.site