DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=energiaefuturo.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 02, 2026
Valid Until
May 03, 2026 82 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
2F:D5:50:58:37:C9:6C:DA:1F:85:17:42:4A:89:1E:CD:52:73:C7:58:4C:DC:78:9F:21:FF:7D:AF:DD:AC:E6:B4
Alternative Names
90 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

90 domains
kiwco.com *.kiwco.com

Other domains in certificate

50132.locker *.50132.locker
797346.loan *.797346.loan
90903.locker *.90903.locker
bestusaluxuryweddingvenueprices202178117.icu *.bestusaluxuryweddingvenueprices202178117.icu
canadamanufacturing.com *.canadamanufacturing.com
dohasnob.com *.dohasnob.com
energiaefuturo.com *.energiaefuturo.com
fdsag.pro *.fdsag.pro
formatodigitale.com *.formatodigitale.com
freebackgroundreports.com *.freebackgroundreports.com
g73wlym0bztcku9.com *.g73wlym0bztcku9.com
giuggianello.net *.giuggianello.net
gjnqo.pro *.gjnqo.pro
golfcreditcard.com *.golfcreditcard.com
guaritori.com *.guaritori.com
hotelkanishka.com *.hotelkanishka.com
hotelregis.com *.hotelregis.com
hotelreviewsireland.com *.hotelreviewsireland.com
hundio.com *.hundio.com
ignitepassion.com *.ignitepassion.com
ilcondor.com *.ilcondor.com
imonili.com *.imonili.com
iniziali.com *.iniziali.com
iokje.pro *.iokje.pro
ippodromosansiro.com *.ippodromosansiro.com
itsj.pro *.itsj.pro
jsjtn.shop *.jsjtn.shop
k1dc2w8k.com *.k1dc2w8k.com
kingbet42.net *.kingbet42.net
ku11.sc *.ku11.sc
lafamiglianelcuore.com *.lafamiglianelcuore.com
libronero.com *.libronero.com
localfurniture.com *.localfurniture.com
ly01.io *.ly01.io
maccheronicini.com *.maccheronicini.com
manovali.com *.manovali.com
marketmakerbot.com *.marketmakerbot.com
maschere.com *.maschere.com
mistralventures.com *.mistralventures.com
musac.com *.musac.com
saunabath.net *.saunabath.net
secondarete.com *.secondarete.com
webtoonhatti.me *.webtoonhatti.me
xihansoft.cn *.xihansoft.cn