DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=boulnger.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 09, 2026
Valid Until
May 10, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
87:6A:14:53:2C:1F:C5:C8:33:0F:E1:86:79:F8:B6:B6:94:17:89:88:E1:3A:FA:F9:6D:AB:B2:76:F2:6B:9A:FE
Alternative Names
69 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

69 domains
laosoofung.com *.laosoofung.com *.api.laosoofung.com *.apis.laosoofung.com *.dev-api.laosoofung.com *.dev.laosoofung.com *.ww25.laosoofung.com

Other domains in certificate

35dl.net *.35dl.net *.ww38.35dl.net
bauunternehmen-stramke.de *.bauunternehmen-stramke.de *.hostmaster.bauunternehmen-stramke.de
beijingpalacea17.co.uk *.beijingpalacea17.co.uk *.ww38.beijingpalacea17.co.uk
boulnger.com *.boulnger.com *.root.boulnger.com
caixabanpc.com *.caixabanpc.com
christlutheranchurchhbg.org *.christlutheranchurchhbg.org
clickondetoit.com *.clickondetoit.com *.random.clickondetoit.com
friendfinder.com.au *.friendfinder.com.au *.hostmaster.friendfinder.com.au *.www.friendfinder.com.au
happysearch.org *.happysearch.org
hondafinanceservice.com *.hondafinanceservice.com *.ww38.hondafinanceservice.com
johnnyhandymanservices93.com *.johnnyhandymanservices93.com *.ww25.johnnyhandymanservices93.com
lrf-blog.com *.lrf-blog.com *.random.lrf-blog.com
medicaldirectory.com.au *.medicaldirectory.com.au *.random.medicaldirectory.com.au
*.hostmaster.myattt.com myattt.com *.myattt.com
*.cpanel.novasexperience.com *.cpcalendars.novasexperience.com *.cpcontacts.novasexperience.com *.mail.novasexperience.com novasexperience.com *.novasexperience.com *.webdisk.novasexperience.com *.webmail.novasexperience.com *.ww25.novasexperience.com *.ww38.novasexperience.com *.www.novasexperience.com
*.host.predohraniteli.online predohraniteli.online *.predohraniteli.online
eddies.za.net *.eddies.za.net edencc.za.net *.edencc.za.net jmsadvanced.za.net *.jmsadvanced.za.net
duchennegroup.za.org *.duchennegroup.za.org