DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=m88h.club
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 09, 2026
Valid Until
May 10, 2026 88 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
19:02:71:A2:B3:0D:98:33:AB:61:FF:27:15:73:24:9E:AE:A6:36:D4:C0:0E:B6:2A:5D:69:06:D3:4A:2F:16:71
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
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
singercenter.com *.singercenter.com *.admin.singercenter.com *.api.singercenter.com *.app.singercenter.com *.apps.singercenter.com *.assets.singercenter.com *.backup.singercenter.com *.blog.singercenter.com *.dashboard.singercenter.com *.fkpxtqzuyvformation.singercenter.com *.formation.singercenter.com *.gate.singercenter.com *.gateway.singercenter.com *.gp.singercenter.com *.hostmaster.singercenter.com *.m.singercenter.com *.mail.singercenter.com *.mailer.singercenter.com *.portal.singercenter.com *.ra.singercenter.com *.rd.singercenter.com *.rdp.singercenter.com *.rds.singercenter.com *.rdweb.singercenter.com *.remoteapp.singercenter.com *.remoto.singercenter.com *.secure.singercenter.com *.shop.singercenter.com *.sitemaps.singercenter.com *.ssl.singercenter.com *.staging.singercenter.com *.stg.singercenter.com *.test.singercenter.com *.v1.singercenter.com *.v2.singercenter.com *.vpn1.singercenter.com *.vpn2.singercenter.com *.vpnssl.singercenter.com *.web.singercenter.com *.webvpn.singercenter.com *.ww25.singercenter.com *.wzlinqa.singercenter.com

Other domains in certificate

682.it *.682.it *.intel.682.it
*.admin.lightning.creditcard *.app.lightning.creditcard *.auth.lightning.creditcard lightning.creditcard *.lightning.creditcard *.public.lightning.creditcard
*.api.m88h.club *.assets.m88h.club *.ldcardsubdomaintoprocess.m88h.club m88h.club *.m88h.club *.school.m88h.club *.test.m88h.club *.wildcardsubdomaintoprocess.m88h.club *.www.m88h.club
*.br.meetelites.com *.cit.meetelites.com *.german.meetelites.com *.link.meetelites.com *.m.meetelites.com *.med.meetelites.com meetelites.com *.meetelites.com *.newsletter.meetelites.com *.radio.meetelites.com *.random.meetelites.com *.rz.meetelites.com *.s.meetelites.com *.ww.meetelites.com *.ww25.meetelites.com
*.app.pokerportal.net pokerportal.net *.pokerportal.net
*.3dimages.websitehai.com *.chaudhary.websitehai.com *.hkmobileandaccessories.websitehai.com *.jewelsyard.websitehai.com *.jobs.websitehai.com websitehai.com *.websitehai.com *.wms.websitehai.com
*.m.weekmusts.com weekmusts.com *.weekmusts.com