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SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=coliwina.pl
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 14, 2026
Valid Until
May 15, 2026
79 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
03:12:CB:2C:36:59:CF:69:27:B7:AC:63:F6:57:A6:CB:E3:6A:37:D0:7A:1E:3F:C9:16:8A:8F:73:53:97:54:84
Alternative Names
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
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
lacitygolf.com
*.lacitygolf.com
*.cicd.lacitygolf.com
*.ww1.lacitygolf.com
addresses.net
*.addresses.net
*.random.addresses.net
aimtec.de
*.aimtec.de
*.webmail.aimtec.de
anthonybabkine.com
*.anthonybabkine.com
*.hostmaster.anthonybabkine.com
*.www.anthonybabkine.com
aussieslivingsimply.com.au
*.aussieslivingsimply.com.au
*.beta.aussieslivingsimply.com.au
*.chicken.aussieslivingsimply.com.au
*.mail.aussieslivingsimply.com.au
*.qa.aussieslivingsimply.com.au
*.superset.aussieslivingsimply.com.au
*.ww17.aussieslivingsimply.com.au
*.ww38.aussieslivingsimply.com.au
*.www.aussieslivingsimply.com.au
autmationdirect.com
*.autmationdirect.com
blightshoes.com
*.blightshoes.com
blinddates.co.za
*.blinddates.co.za
*.random.blinddates.co.za
carbootmarket.com
*.carbootmarket.com
coliwina.pl
*.coliwina.pl
darypodchala.pl
*.darypodchala.pl
fds2r.link
*.fds2r.link
*.random.fds2r.link
fluegede.de
*.fluegede.de
grimvalue.com
*.grimvalue.com
housesforsale.co
*.housesforsale.co
impactonlinenigeria.com
*.impactonlinenigeria.com
*.mail.impactonlinenigeria.com
louisvuotton.com
*.louisvuotton.com
*.mail.masiavillaubud.com
masiavillaubud.com
*.masiavillaubud.com
*.random.masiavillaubud.com
*.ww25.masiavillaubud.com
*.goo.night.co.za
night.co.za
*.night.co.za
*.ownth.night.co.za
*.xigaza.night.co.za
quarteira.de
*.quarteira.de
shortterm.co
*.shortterm.co
*.mkel.smatapp.com
*.oaklandhr.smatapp.com
smatapp.com
*.smatapp.com
*.vault.smatapp.com
tespring.com
*.tespring.com
treeloppers.com.au
*.treeloppers.com.au
*.74t575wcp485663s.vrijwilligerswerkietsvoorjou.info
*.dashboard.vrijwilligerswerkietsvoorjou.info
vrijwilligerswerkietsvoorjou.info
*.vrijwilligerswerkietsvoorjou.info
wellcarte.com
*.wellcarte.com
*.sitemap.wingsmpo.click
*.wildcard.wingsmpo.click
wingsmpo.click
*.wingsmpo.click
*.ww16.wingsmpo.click
*.ww38.wingsmpo.click
*.bbs.zoomlamk54.cf
*.random.zoomlamk54.cf
zoomlamk54.cf
*.zoomlamk54.cf
Other domains in certificate