DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=serfoga.biz
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
May 15, 2026
Valid Until
August 13, 2026 72 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0E:60:92:84:FB:49:18:DB:94:59:EF:B6:E9:28:42:71:E3:EE:EA:09:6C:C3:15:83:35:1C:BF:F7:11:50:95:37
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 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
29726.co *.29726.co *.cziow8rdqw.29726.co *.www.29726.co

Other domains in certificate

99107.vip *.99107.vip
*.api.daftar-slotlionsid.store *.app.daftar-slotlionsid.store daftar-slotlionsid.store *.daftar-slotlionsid.store *.m.daftar-slotlionsid.store *.ww38.daftar-slotlionsid.store *.www.daftar-slotlionsid.store
digitaltwinsol.com *.digitaltwinsol.com *.iuqa4j.digitaltwinsol.com
fivetoolbaseballclub.com *.fivetoolbaseballclub.com *.ww25.fivetoolbaseballclub.com
*.911ij.gemm.website *.adzf.gemm.website *.eoium.gemm.website *.fkzw.gemm.website gemm.website *.gemm.website *.jmk.gemm.website *.kbx.gemm.website *.mt.gemm.website *.ojt.gemm.website *.oz.gemm.website *.qjd.gemm.website *.qzh.gemm.website *.sbhju.gemm.website *.sdypb.gemm.website *.wpt.gemm.website *.zhbte.gemm.website
*.api.hello88.mov hello88.mov *.hello88.mov *.m.hello88.mov *.sitemaps.hello88.mov
killermafia.de *.killermafia.de
*.dddd.klangbund.eu klangbund.eu *.klangbund.eu *.ww16.klangbund.eu *.ww25.klangbund.eu
leakedporn.pics *.leakedporn.pics *.ww16.leakedporn.pics
mlt0i8.top *.mlt0i8.top
monerafastbizfunds.co *.monerafastbizfunds.co
*.api.myfreebbw.com *.app.myfreebbw.com *.backend.myfreebbw.com *.demo.myfreebbw.com *.dev.myfreebbw.com *.eotajdev.myfreebbw.com *.hostmaster.myfreebbw.com myfreebbw.com *.myfreebbw.com *.staging.myfreebbw.com *.ww01.myfreebbw.com *.ww38.myfreebbw.com *.www.myfreebbw.com
nhrantai.bet *.nhrantai.bet *.ww38.nhrantai.bet
*.argo.serfoga.biz serfoga.biz *.serfoga.biz *.web.serfoga.biz
*.intelligence.slot888s.biz slot888s.biz *.slot888s.biz *.www.slot888s.biz
*.api.xn--fiqs8s87tfw3b.com *.app.xn--fiqs8s87tfw3b.com *.backend.xn--fiqs8s87tfw3b.com *.dev.xn--fiqs8s87tfw3b.com *.hostmaster.xn--fiqs8s87tfw3b.com *.localhost.xn--fiqs8s87tfw3b.com *.m.xn--fiqs8s87tfw3b.com *.staging.xn--fiqs8s87tfw3b.com *.www.xn--fiqs8s87tfw3b.com xn--fiqs8s87tfw3b.com *.xn--fiqs8s87tfw3b.com