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SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=nerdo.it
Issuer
C=US, O=Let's Encrypt, CN=YR2
Valid From
June 04, 2026
Valid Until
September 02, 2026
80 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
8E:52:77:2F:10:A3:10:3E:E3:4D:FF:64:73:42:EB:C7:EC:1A:A3:4B:A5:D3:8D:50:25:26:1C:CD:7B:83:25:25
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
54 domains
tremat.it
*.tremat.it
followtheflow.it
*.followtheflow.it
freightcenters.it
*.freightcenters.it
fremiti.it
*.fremiti.it
milko.it
*.milko.it
minichalet.it
*.minichalet.it
mondodieta.it
*.mondodieta.it
moviesjoy.club
*.moviesjoy.club
nerdo.it
*.nerdo.it
nextline.it
*.nextline.it
nicte.it
*.nicte.it
niner.it
*.niner.it
observers.it
*.observers.it
onemillionproject.it
*.onemillionproject.it
outofrange.it
*.outofrange.it
pagesblanches.it
*.pagesblanches.it
pariter.it
*.pariter.it
pips.it
*.pips.it
politics.it
*.politics.it
trabi.it
*.trabi.it
treats.it
*.treats.it
trecciaaffumicata.it
*.trecciaaffumicata.it
tregiorni.it
*.tregiorni.it
trialis.it
*.trialis.it
triggerhappy.it
*.triggerhappy.it
tweetstorm.it
*.tweetstorm.it
wurk.it
*.wurk.it
Other domains in certificate