Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=nanhko.net
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
April 24, 2026
Valid Until
July 23, 2026 61 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
33:A8:53:41:A7:01:93:FF:16:CD:B0:51:27:80:E4:44:95:BE:57:F7:4A:D0:63:54:A4:3F:EF:B3:84:C4:44:6D
Alternative Names

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
supremeoak.com *.supremeoak.com *.a.supremeoak.com

Other domains in certificate

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*.betting.bettwenty.vip bettwenty.vip *.bettwenty.vip *.hostmaster.bettwenty.vip
binarium.live *.binarium.live *.mail.binarium.live
goodwincollege.com *.goodwincollege.com *.mailserver.goodwincollege.com *.ww25.goodwincollege.com *.ww38.goodwincollege.com
*.acc-shinobi.nanhko.net *.colong.nanhko.net *.cuuvi.nanhko.net *.hoachi.nanhko.net *.hocvienninja.nanhko.net *.mulegend.nanhko.net nanhko.net *.nanhko.net *.pay-thienkiem.nanhko.net *.picaht.nanhko.net *.pnmobile.nanhko.net *.saiyanlegend.nanhko.net *.shinobi.nanhko.net *.sieuthanthu.nanhko.net *.thanhchien.nanhko.net *.thanma2d.nanhko.net *.thanthudaichien.nanhko.net
*.1eea9d90-db54-441a-b54e-1a97ef7abf23.resistiv.com resistiv.com *.resistiv.com
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teenpattihearts-vip.com *.teenpattihearts-vip.com *.vietnamese.teenpattihearts-vip.com
*.m.trulygreenrv.com trulygreenrv.com *.trulygreenrv.com
*.pay.vanoma.shop vanoma.shop *.vanoma.shop
*.41ef3784-9f38-429b-9228-5836220393dd.verified.locker *.823069d9-d3a9-478b-88d0-89a8112c023d.verified.locker *.a9174bd2-a762-44fe-a7bf-d4f5ee754dce.verified.locker *.admin.verified.locker *.api.verified.locker *.assets.verified.locker *.backup.verified.locker *.boutique.verified.locker *.d072716b-3a74-4496-9e77-9fe916b96de2.verified.locker *.dashboard.verified.locker *.demo.verified.locker *.dev.verified.locker *.ff0f3479-4d9c-4194-90f3-7ada951c60cf.verified.locker *.hostmaster.verified.locker *.idtmbbackup.verified.locker *.mail.verified.locker *.mailer.verified.locker *.marketing.verified.locker *.portal.verified.locker *.qa.verified.locker *.secure.verified.locker *.sohjkstg.verified.locker *.staging.verified.locker *.stg.verified.locker *.test.verified.locker *.uat.verified.locker *.v1.verified.locker *.v2.verified.locker verified.locker *.verified.locker *.web.verified.locker
*.catalog.zackarysholemberger.art *.m.zackarysholemberger.art zackarysholemberger.art *.zackarysholemberger.art