DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=read.academy
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 20, 2026
Valid Until
April 20, 2026 65 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F6:7F:75:4F:BD:E3:B1:63:31:1D:0B:F4:34:F0:54:24:75:E0:42:3F:84:C9:39:28:96:DA:B2:84:DB:F8:B6:AE
Alternative Names
70 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

70 domains
read.academy *.read.academy *.hotfix.read.academy *.insight.read.academy *.insights.read.academy *.monitoring.read.academy *.report.read.academy *.superset.read.academy

Other domains in certificate

bettingsoccer.net *.bettingsoccer.net
clinicalbiobank9.org *.clinicalbiobank9.org
cluppenguin.com *.cluppenguin.com *.play.cluppenguin.com *.ww38.cluppenguin.com
coreridgefinancial.com *.coreridgefinancial.com
eastorchardmesafire.org *.eastorchardmesafire.org
*.blog.gardenhood.com.au *.copycc.gardenhood.com.au gardenhood.com.au *.gardenhood.com.au *.greenme.gardenhood.com.au *.mail.gardenhood.com.au *.update-drupal.gardenhood.com.au *.webmail.gardenhood.com.au *.ww16.gardenhood.com.au *.www.gardenhood.com.au
gastorhealth.com *.gastorhealth.com
hprotectionplan.com *.hprotectionplan.com
hypertherm.online *.hypertherm.online *.post.hypertherm.online *.thor.hypertherm.online *.ww25.hypertherm.online *.ww38.hypertherm.online
jointrestoreknee.com *.jointrestoreknee.com
kidnapper.com *.kidnapper.com *.ww25.kidnapper.com
longhornsurey.com *.longhornsurey.com
*.5vum77a.tosanltd.com *.crm2011.tosanltd.com *.inr-h10.tosanltd.com *.isd-adfs.tosanltd.com *.kandoo.tosanltd.com *.li01.tosanltd.com tosanltd.com *.tosanltd.com
*.admin.underwaters.store *.api.underwaters.store *.assets.underwaters.store *.backup.underwaters.store *.demo.underwaters.store *.dev.underwaters.store *.mailer.underwaters.store *.members.underwaters.store *.secure.underwaters.store *.staging.underwaters.store *.stg.underwaters.store *.test.underwaters.store underwaters.store *.underwaters.store *.v1.underwaters.store