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=fdou004.xyz
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 05, 2026
Valid Until
May 06, 2026 78 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D0:F5:64:B5:83:0F:94:07:6D:FE:22:16:7B:C0:B4:E3:8C:5A:69:68:1A:BB:35:B0:3E:7A:B5:DD:24:39:5C:73
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
guy.fi *.guy.fi

Other domains in certificate

fdou004.xyz *.fdou004.xyz
ferloremkt.sbs *.ferloremkt.sbs
ff6331.com *.ff6331.com
finanzachiatop.com *.finanzachiatop.com
fitnessimmersive.com *.fitnessimmersive.com
fivem.biz *.fivem.biz
flanderdoodles.com *.flanderdoodles.com
flghuq.academy *.flghuq.academy
flooring-installation-26-mx.click *.flooring-installation-26-mx.click
frpapps.com *.frpapps.com
fvonw.gdn *.fvonw.gdn
game-portal-2025.club *.game-portal-2025.club
gandalf.xyz *.gandalf.xyz
gaozhongbang.com *.gaozhongbang.com
gas-emissions-263717976.click *.gas-emissions-263717976.click
gasakkode.com *.gasakkode.com
gaspedaa.nl *.gaspedaa.nl
get-ironscales.com *.get-ironscales.com
gftfinancialservicesco.com *.gftfinancialservicesco.com
giaitri8xbet.sbs *.giaitri8xbet.sbs
gimme.cheap *.gimme.cheap
gitdayzz.buzz *.gitdayzz.buzz
goldencaring.org *.goldencaring.org
goparalleldevs.xyz *.goparalleldevs.xyz
gpt.sx *.gpt.sx
groweliteleaderscircle.com *.groweliteleaderscircle.com
growthvo.com *.growthvo.com
gsk67.top *.gsk67.top
gteo4gjeogjferu.xyz *.gteo4gjeogjferu.xyz
guaranteed-employment-834820278.click *.guaranteed-employment-834820278.click
gwi.me *.gwi.me
gwndn2q.cyou *.gwndn2q.cyou
gx8zxeo.cyou *.gx8zxeo.cyou
gynecomastia218410.icu *.gynecomastia218410.icu
gz88.in *.gz88.in
gzk.ink *.gzk.ink
gzrlnni272.vip *.gzrlnni272.vip
h28pkcb.cyou *.h28pkcb.cyou
h5et0d3gopjwesgpvrge.xyz *.h5et0d3gopjwesgpvrge.xyz
h5ht4uhoidhge5t.xyz *.h5ht4uhoidhge5t.xyz
habitations.quebec *.habitations.quebec
hair-loss-clinics127548.icu *.hair-loss-clinics127548.icu
handmade-engagement-199030489.click *.handmade-engagement-199030489.click
hcp79ta3kl.icu *.hcp79ta3kl.icu