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SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=howtocalculate.it
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 03, 2026
Valid Until
May 04, 2026
77 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
99:53:E4:AC:BC:5B:5A:6B:56:80:25:D2:20:60:0E:4E:CB:12:2B:43:9D:41:11:80:57:5F:4A:FA:86:B0:1E:06
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
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
mobiletarget.it
*.mobiletarget.it
howtocalculate.it
*.howtocalculate.it
howtodraw.it
*.howtodraw.it
hypersonic.it
*.hypersonic.it
i6zw.com
*.i6zw.com
idivani.it
*.idivani.it
iegmu.tv
*.iegmu.tv
ieil15k.shop
*.ieil15k.shop
ifif774.cc
*.ifif774.cc
ignari.com
*.ignari.com
illavoratore.it
*.illavoratore.it
ilnovecento.it
*.ilnovecento.it
ilrisparmiatore.it
*.ilrisparmiatore.it
iltuofuturo.it
*.iltuofuturo.it
ilvaticano.it
*.ilvaticano.it
immobiliareveneto.it
*.immobiliareveneto.it
increased.it
*.increased.it
independentmusic.it
*.independentmusic.it
indonesiani.it
*.indonesiani.it
infantgearexchange.com
*.infantgearexchange.com
informationsecurity.it
*.informationsecurity.it
internetunited.it
*.internetunited.it
invincible.it
*.invincible.it
italianaenergetica.it
*.italianaenergetica.it
jeansindustry.it
*.jeansindustry.it
kiligsuper.com
*.kiligsuper.com
l1b1st.com
*.l1b1st.com
lacassandra.it
*.lacassandra.it
lenders.it
*.lenders.it
lepillole.it
*.lepillole.it
linkandalanthor138.sbs
*.linkandalanthor138.sbs
liquidartgallery.it
*.liquidartgallery.it
livinghispromise.com
*.livinghispromise.com
mangi.it
*.mangi.it
mathclassroom.it
*.mathclassroom.it
mecerwise.com
*.mecerwise.com
menorwomen.com
*.menorwomen.com
mirabilis.it
*.mirabilis.it
miscuglio.it
*.miscuglio.it
mitologiagriega.org
*.mitologiagriega.org
mmbx20.cc
*.mmbx20.cc
mpo99idhin.com
*.mpo99idhin.com
mummersmardigras.com
*.mummersmardigras.com
muru.it
*.muru.it
nishu.it
*.nishu.it
Other domains in certificate