76/100 SECURITY SCORE

Certificate Information

Subject
CN=999967.fyi
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 29, 2026
Valid Until
April 29, 2026 69 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B1:C9:7F:56:E7:49:1A:1B:0B:99:68:F2:EB:C1:1B:9F:84:A8:1A:DA:41:34:DF:EE:99:73:23:FE:10:40:C9:DF
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
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
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

89 domains
cronocom.com *.cronocom.com

Other domains in certificate

17625.loan *.17625.loan *.92fy8.17625.loan
999967.fyi *.999967.fyi
aicarepros.com *.aicarepros.com
aminamax.com *.aminamax.com
app302dy.com *.app302dy.com
arbitragecodeai.com *.arbitragecodeai.com
autoaaas.com *.autoaaas.com
bacclearpro.com *.bacclearpro.com
betterhumz.com *.betterhumz.com
cloudskel.com *.cloudskel.com
cluefun.com *.cluefun.com
cmall234.com *.cmall234.com
cmall344.com *.cmall344.com
cmall451.com *.cmall451.com
cn1121.market *.cn1121.market
cnsbear.com *.cnsbear.com
coalitionworks.com *.coalitionworks.com
coastallodging.com *.coastallodging.com
codefylegalengineering.com *.codefylegalengineering.com
coiffeure.com *.coiffeure.com
collectcomputers.com *.collectcomputers.com
culcamps.com *.culcamps.com
danangseafood.com *.danangseafood.com
defaiverify.com *.defaiverify.com
designquestsolutions.com *.designquestsolutions.com
donarrahdpe.com *.donarrahdpe.com
e3host-test.com *.e3host-test.com
earthsciencewiki.com *.earthsciencewiki.com
ebglh.academy *.ebglh.academy
echoingevergreen.com *.echoingevergreen.com
emailauthorized.com *.emailauthorized.com
emisiagreenlight.com *.emisiagreenlight.com
ethioexitexam.com *.ethioexitexam.com
evmwork.com *.evmwork.com
extraboxes.com *.extraboxes.com
fernievacations.com *.fernievacations.com
fleetsafeai.com *.fleetsafeai.com
fleetsolutionsconnect.com *.fleetsolutionsconnect.com
flujprog.com *.flujprog.com
freshwv10.com *.freshwv10.com
geniebpo.com *.geniebpo.com
getjustfarecatering.com *.getjustfarecatering.com
getstip.com *.getstip.com