DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=oyo88l.org
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 09, 2026
Valid Until
May 10, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D8:AB:F2:EA:75:80:28:2C:A1:0B:CB:C0:24:EF:F2:F0:29:C2:7F:38:69:EA:AD:C8:80:50:C1:88:67:03:FE:58
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
impressionnumerique.com *.impressionnumerique.com *.bbs.impressionnumerique.com *.hostmaster.impressionnumerique.com *.m.impressionnumerique.com *.ww38.impressionnumerique.com

Other domains in certificate

authentic-brand.website *.authentic-brand.website
*.api.dabdoub.com *.app.dabdoub.com *.art.dabdoub.com *.assets.dabdoub.com *.basel.dabdoub.com *.campanha.dabdoub.com *.correu.dabdoub.com dabdoub.com *.dabdoub.com *.demo.dabdoub.com *.dev.dabdoub.com *.emv1.dabdoub.com *.gestion.dabdoub.com *.hostmaster.dabdoub.com *.m.dabdoub.com *.mail.dabdoub.com *.mail1.dabdoub.com *.sip.dabdoub.com *.sipexternal.dabdoub.com *.sitemap.dabdoub.com *.test.dabdoub.com *.ww16.dabdoub.com
*.autodiscover.durianstarking.com durianstarking.com *.durianstarking.com *.qhbkkcpanel.durianstarking.com
homesnow.website *.homesnow.website
huttohvaccontractor.com *.huttohvaccontractor.com *.ww25.huttohvaccontractor.com *.www.huttohvaccontractor.com
*.696e6291-c7d9-4ebe-a076-dac1c8eb36ae.jogoopopi.com *.alumni.jogoopopi.com *.d6afccd4-c6bd-4747-a348-bde682a9641f.jogoopopi.com jogoopopi.com *.jogoopopi.com
mahapch-fin.com *.mahapch-fin.com
newzealandskincare.us *.newzealandskincare.us
oyo88l.org *.oyo88l.org
pandorajewelry2018.us *.pandorajewelry2018.us
pandoraonline-uk.store *.pandoraonline-uk.store
*.api-trade.projectkaito.eu *.game.projectkaito.eu *.gameportal.projectkaito.eu *.ingameportal.projectkaito.eu projectkaito.eu *.projectkaito.eu *.trade.projectkaito.eu *.wiki.projectkaito.eu
*.random.rkbh4489.com rkbh4489.com *.rkbh4489.com *.weapon.rkbh4489.com
treasuremax.store *.treasuremax.store
*.aging.v9win.site *.cure.v9win.site *.dashboard.v9win.site *.guro.v9win.site *.hostmaster.v9win.site *.liooguro.v9win.site *.mailer.v9win.site *.marketing.v9win.site *.oliooguro.v9win.site *.qa.v9win.site *.seguro.v9win.site *.staging.v9win.site *.test.v9win.site *.uat.v9win.site *.v1.v9win.site *.v2.v9win.site v9win.site *.v9win.site *.w.v9win.site *.www.v9win.site