DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=kse.com.pl
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
November 29, 2025
Valid Until
February 27, 2026 35 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
EA:30:36:A6:EC:E0:FE:72:A4:17:86:D3:3F:B2:73:0B:CF:DD:9A:E6:D6:AC:87:FA:73:A4:08:DB:6D:90:CE:04
Alternative Names
86 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

86 domains
flowerpot.uk *.flowerpot.uk

Other domains in certificate

426270.com *.426270.com
bariatricsurgery418712.icu *.bariatricsurgery418712.icu
bariatricsurgery609892.icu *.bariatricsurgery609892.icu
bariatricsurgery917695.icu *.bariatricsurgery917695.icu
bariatricsurgery970136.icu *.bariatricsurgery970136.icu
basementleakrepairnearby199630.icu *.basementleakrepairnearby199630.icu
clolne.com *.clolne.com
*.authsmtp.kse.com.pl *.autodiscover.kse.com.pl *.citrix.kse.com.pl *.ftp.kse.com.pl kse.com.pl *.kse.com.pl *.pop.kse.com.pl *.remote.kse.com.pl *.www.kse.com.pl
costumefinder.co.uk *.costumefinder.co.uk
directmarketingsolution.co.uk *.directmarketingsolution.co.uk
ecd.co.uk *.ecd.co.uk
eqi.uk *.eqi.uk
fondu.co.uk *.fondu.co.uk
fplaksw.com *.fplaksw.com
free-ebooks-library.com *.free-ebooks-library.com
gastricsurgery798158.icu *.gastricsurgery798158.icu
googlenewssitemap.com *.googlenewssitemap.com
helpforbipolardisorder949405.icu *.helpforbipolardisorder949405.icu
*.com.hollytrinitiapotek.com hollytrinitiapotek.com *.hollytrinitiapotek.com
k8md10.com *.k8md10.com
kidneycarecenters111051.icu *.kidneycarecenters111051.icu
kidneycarecenters374763.icu *.kidneycarecenters374763.icu
kidneycarecenters482248.icu *.kidneycarecenters482248.icu
kidneycarecenters938764.icu *.kidneycarecenters938764.icu
lindinha777.com *.lindinha777.com
loansregardlessofcredithistory710187.icu *.loansregardlessofcredithistory710187.icu
marmalades.co.uk *.marmalades.co.uk
mijn-abnamro-controleer.sbs *.mijn-abnamro-controleer.sbs
netphone.uk *.netphone.uk
orthodonticretainers802251.icu *.orthodonticretainers802251.icu
physicaltherapyclinics421092.icu *.physicaltherapyclinics421092.icu
pumps949355.icu *.pumps949355.icu
quiktransportllc.com *.quiktransportllc.com
refurbish.uk *.refurbish.uk
sexdate.co.uk *.sexdate.co.uk
sintomasdagravidez.com *.sintomasdagravidez.com
testimonials.co.uk *.testimonials.co.uk
tshbb0007.com *.tshbb0007.com