DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=koolhealthy.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 25, 2026
Valid Until
April 25, 2026 74 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
49:92:4F:91:AA:91:B0:B8:A1:18:E3:B7:27:31:3A:97:3B:04:D7:FF:2E:6F:BE:AE:CF:22:D6:27:11:C3:DE:BD
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
musicassertanejas.com *.musicassertanejas.com *.insurance.musicassertanejas.com *.radio.musicassertanejas.com *.webmail.musicassertanejas.com *.ww2.musicassertanejas.com *.www-1.musicassertanejas.com

Other domains in certificate

amaroohotel.com.au *.amaroohotel.com.au *.ww38.amaroohotel.com.au
bluemoontheatres.com *.bluemoontheatres.com *.ww25.bluemoontheatres.com *.ww38.bluemoontheatres.com
*.5gya.boug.com *.admin.boug.com boug.com *.boug.com *.ww38.boug.com
statement.com.de *.statement.com.de
datawarehouseg.space *.datawarehouseg.space *.ns1.datawarehouseg.space *.ns2.datawarehouseg.space *.random.datawarehouseg.space *.www.datawarehouseg.space
*.admin.elagta.site *.backend.elagta.site elagta.site *.elagta.site
*.38.gmkits5.com gmkits5.com *.gmkits5.com *.m.gmkits5.com *.ww25.gmkits5.com
*.256s.huku.com *.3zm.huku.com *.69shu.huku.com *.auth.huku.com *.bbs.huku.com *.cnjd.huku.com *.help.huku.com huku.com *.huku.com *.ixs.huku.com *.keastian.huku.com *.luoqiuzw.huku.com *.mann-stewart-help.huku.com *.mx1.huku.com *.pingan.huku.com *.prod.huku.com *.random.huku.com *.secure.huku.com *.wanbar.huku.com *.ww.huku.com *.ww25.huku.com *.ww38.huku.com
*.com.koolhealthy.com koolhealthy.com *.koolhealthy.com
maximizeloja.com.br *.maximizeloja.com.br *.seguro.maximizeloja.com.br
purchasedomain.com.au *.purchasedomain.com.au *.random.purchasedomain.com.au
*.acstrading.webtechexports.in *.bolivianhealthcare.webtechexports.in *.bookin.webtechexports.in *.com.webtechexports.in *.ecommerce.webtechexports.in *.indianlegalconsultants.webtechexports.in *.krishnaplasticindustries.webtechexports.in *.maya.webtechexports.in *.mpibhiwani.webtechexports.in *.noorsultanindustries.webtechexports.in *.pramilas.webtechexports.in *.shristab.webtechexports.in *.srretails.webtechexports.in *.vgproduct.webtechexports.in *.vnv.webtechexports.in *.vschemi.webtechexports.in webtechexports.in *.webtechexports.in
*.ww25.yyaus.xyz *.www.yyaus.xyz *.x.yyaus.xyz yyaus.xyz *.yyaus.xyz