DNS Gurus
Cached · just now
79/100 SECURITY SCORE

Detected Technologies

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

Certificate Information

Subject
CN=fratruaroniiodealbites.cyou
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 19, 2026
Valid Until
May 20, 2026 87 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FB:1C:0F:BF:F3:9B:54:73:72:D8:4F:E3:B5:73:5B:F6:EB:E0:0E:F8:7E:4C:EB:54:23:1D:CD:C6:8B:A1:09:51
Alternative Names
88 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
Good
SAMEORIGIN
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-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

88 domains
openclassupsite.com *.openclassupsite.com

Other domains in certificate

alvaroferreiraleiloeiro.com *.alvaroferreiraleiloeiro.com
daslot.biz *.daslot.biz *.www.daslot.biz
drama101.net *.drama101.net
favoritekol.com *.favoritekol.com
*.app.fratruaroniiodealbites.cyou fratruaroniiodealbites.cyou *.fratruaroniiodealbites.cyou *.intranet.fratruaroniiodealbites.cyou
g52agaxxeart.xyz *.g52agaxxeart.xyz *.ww25.g52agaxxeart.xyz
*.api.gossipscenekey.live gossipscenekey.live *.gossipscenekey.live *.intranet.gossipscenekey.live
*.17.ii.au *.c.ii.au *.dki.ii.au *.i.ii.au ii.au *.ii.au *.ii.ii.au *.iii.ii.au *.iinet.ii.au *.k.ii.au *.kopiengebildetwerden.ii.au *.kwanamba.ii.au *.leo.ii.au *.leoncuroo.ii.au *.lm.ii.au *.namba.ii.au *.nikusubi.ii.au *.no.ii.au *.o.ii.au *.y.ii.au
mountainears.com *.mountainears.com
myredvestcompanion.com *.myredvestcompanion.com
oiq3sr2.cc *.oiq3sr2.cc
olsonstudio.com *.olsonstudio.com
*.admin.otaru.works *.api.otaru.works *.app.otaru.works *.assets.otaru.works *.backup.otaru.works *.dashboard.otaru.works *.demo.otaru.works *.dev.otaru.works *.hostmaster.otaru.works *.mail.otaru.works *.mailer.otaru.works *.marketing.otaru.works otaru.works *.otaru.works *.qa.otaru.works *.staging.otaru.works *.stg.otaru.works *.uat.otaru.works *.urwfjdemo.otaru.works *.v1.otaru.works *.v2.otaru.works *.web.otaru.works
panutbypanidor.com *.panutbypanidor.com
paviljonki.com *.paviljonki.com
peakfitnessodyssey.run *.peakfitnessodyssey.run
*.app.soccerseminar.com *.hostmaster.soccerseminar.com *.m.soccerseminar.com *.sitemap.soccerseminar.com *.sitemaps.soccerseminar.com soccerseminar.com *.soccerseminar.com *.www.soccerseminar.com
xxxplus.xyz *.xxxplus.xyz