DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=jzsp81.xyz
Issuer
C=US, O=Let's Encrypt, CN=R13
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
C2:88:C0:7B:44:82:66:0F:AD:EC:67:D1:1F:B8:11:21:01:73:8F:FA:7F:AB:A3:A6:69:0A:BD:43:26:34:FB:C6
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
hul24.de *.hul24.de *.ad.hul24.de

Other domains in certificate

adminmilenio.site *.adminmilenio.site *.media.adminmilenio.site
*.1b90fa92-79b9-474b-87b7-71e5cf95191f.bankofamericafoundation.com bankofamericafoundation.com *.bankofamericafoundation.com *.faq.bankofamericafoundation.com
*.blog.buyotc.com buyotc.com *.buyotc.com *.cloud.buyotc.com *.m.buyotc.com *.mvideo.buyotc.com *.owa.buyotc.com *.sitemaps.buyotc.com *.smtp.buyotc.com *.wiki.buyotc.com
*.a.coctolib.de coctolib.de *.coctolib.de
givedrop.site *.givedrop.site *.ww38.givedrop.site
inwell741.xyz *.inwell741.xyz *.random.inwell741.xyz *.ww16.inwell741.xyz *.ww25.inwell741.xyz
jzsp81.xyz *.jzsp81.xyz *.ww16.jzsp81.xyz *.ww17.jzsp81.xyz
*.ad.kaki777.quest *.adblock.kaki777.quest *.adg.kaki777.quest *.adguard.kaki777.quest *.admin.kaki777.quest *.api.kaki777.quest *.doh1.kaki777.quest kaki777.quest *.kaki777.quest *.shop.kaki777.quest
*.dapp.konio.io konio.io *.konio.io *.payers.konio.io *.tokenlist.konio.io *.tokens.konio.io
koupelny.com *.koupelny.com *.sitemap.koupelny.com *.sitemaps.koupelny.com *.vpn.koupelny.com
miniwars.store *.miniwars.store *.ww38.miniwars.store
*.dev.thietkeketcau.com *.hostmaster.thietkeketcau.com thietkeketcau.com *.thietkeketcau.com *.vpn.thietkeketcau.com *.ww1.thietkeketcau.com *.ww11.thietkeketcau.com *.ww17.thietkeketcau.com
vi-group.pro *.vi-group.pro *.ww25.vi-group.pro
*.1db.wuxishequ.com *.1hbvl9.wuxishequ.com *.26fa29c0-76dc-45ce-ada7-4a71512ada4e.wuxishequ.com *.3fb1jh.wuxishequ.com *.742.wuxishequ.com *.adn.wuxishequ.com *.ag2.wuxishequ.com *.fasng3fb1jh.wuxishequ.com *.flxx8t.wuxishequ.com *.fzomynxv.wuxishequ.com *.guanyu.wuxishequ.com *.jhlvrr.wuxishequ.com *.ljh5dn.wuxishequ.com *.m.wuxishequ.com *.rencai.wuxishequ.com *.v1v.wuxishequ.com wuxishequ.com *.wuxishequ.com *.www.wuxishequ.com *.xzn5tn.wuxishequ.com