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=neurofeedback.live
Issuer
C=US, O=Let's Encrypt, CN=YR2
Valid From
June 04, 2026
Valid Until
September 02, 2026 83 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B3:77:7F:D1:55:63:E6:99:8E:DA:6B:67:6E:0F:48:40:2C:16:F5:39:CE:5E:00:E6:1B:60:C4:0F:C6:17:05:39
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
aaran.de *.aaran.de *.email.aaran.de *.hostmaster.aaran.de *.kunde.aaran.de *.webmail05.aaran.de *.ww25.aaran.de

Other domains in certificate

billetcool.com *.billetcool.com *.webmail.billetcool.com *.www.billetcool.com
designe.club *.designe.club *.www.designe.club
doag.pl *.doag.pl *.eyniki.doag.pl *.mcl.doag.pl *.papgen.doag.pl *.winiki.doag.pl *.wqyniki.doag.pl *.wtniki.doag.pl *.wuniki.doag.pl *.ww25.doag.pl *.wybiki.doag.pl *.wymiki.doag.pl *.wynik.doag.pl *.wynik8.doag.pl *.wyniki.doag.pl *.wynikki.doag.pl *.wyniko.doag.pl *.wynili.doag.pl *.wynimi.doag.pl *.wynjki.doag.pl *.wynki.doag.pl *.wynoki.doag.pl
hboute.cn *.hboute.cn *.ils673.hboute.cn
*.lanas.maskedsurf.com maskedsurf.com *.maskedsurf.com
neurofeedback.live *.neurofeedback.live *.remote.neurofeedback.live *.www.neurofeedback.live
nordiccartyres.com *.nordiccartyres.com
*.intranet.radiosmall.com radiosmall.com *.radiosmall.com
*.1p.sxtdjc.cn *.admin.sxtdjc.cn *.ats.sxtdjc.cn *.atus.sxtdjc.cn *.autoconfig.sxtdjc.cn *.blog.sxtdjc.cn *.cloud.sxtdjc.cn *.cod9.sxtdjc.cn *.control.sxtdjc.cn *.cpanel.sxtdjc.cn *.dev.sxtdjc.cn *.direct.sxtdjc.cn *.gnuxop.sxtdjc.cn *.home.sxtdjc.cn *.hop.sxtdjc.cn *.io3kw.sxtdjc.cn *.l.sxtdjc.cn *.news.sxtdjc.cn *.pgl.sxtdjc.cn *.secure.sxtdjc.cn *.shop.sxtdjc.cn *.status.sxtdjc.cn sxtdjc.cn *.sxtdjc.cn *.webdisk.sxtdjc.cn *.whm.sxtdjc.cn *.wpybyw.sxtdjc.cn
*.m.ultradef.tv *.mta-sts.ultradef.tv ultradef.tv *.ultradef.tv
*.1d817.xcvav.top *.2dbks.xcvav.top *.hgsq5.xcvav.top *.oahlw.xcvav.top *.pwb3b.xcvav.top *.tpxa3.xcvav.top xcvav.top *.xcvav.top