DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=hdsz05.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 05, 2026
Valid Until
May 06, 2026 85 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6F:D0:A0:D7:EA:3B:96:59:7E:6D:08:39:8F:CF:7A:A8:02:86:91:C6:28:E5:91:CA:3F:8C:88:76:7C:FD:DA:2C
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
tembusjp.com *.tembusjp.com

Other domains in certificate

hdsz05.com *.hdsz05.com
hdwgmfsuv.cc *.hdwgmfsuv.cc
hdwpx.co *.hdwpx.co
heartbeatshape.com *.heartbeatshape.com
heathermac.com *.heathermac.com
hedefrosegarden.com *.hedefrosegarden.com
hhyvlu1.top *.hhyvlu1.top
hiacio6.cyou *.hiacio6.cyou
high-end-927757298.click *.high-end-927757298.click
highreachequipment.com *.highreachequipment.com
hillrom041.com *.hillrom041.com
tastespicetop.com *.tastespicetop.com
tastyfoodmaster.food *.tastyfoodmaster.food
tbczhio.cyou *.tbczhio.cyou
tbzvd5n.cyou *.tbzvd5n.cyou
teamcomeriandigital.org *.teamcomeriandigital.org
teamremotestate.com *.teamremotestate.com
telefonfrsts.my *.telefonfrsts.my
telefonfrsts.us *.telefonfrsts.us
tenniscamp.it *.tenniscamp.it
tequilastays.com *.tequilastays.com
tfvdsa.net *.tfvdsa.net
thai99.community *.thai99.community
thai99club.store *.thai99club.store
thai99play.ink *.thai99play.ink
thai99stars.website *.thai99stars.website
thamt.biz *.thamt.biz
thanhlau.cam *.thanhlau.cam
the-builders.com *.the-builders.com
the-twincap.com *.the-twincap.com
theaxelliant.com *.theaxelliant.com
thebarrelhq.com *.thebarrelhq.com
thebarrelsite.com *.thebarrelsite.com
thebarrelteam.com *.thebarrelteam.com
thebestfunnels.org *.thebestfunnels.org
thecardinalreferapp.com *.thecardinalreferapp.com
thecardinalreferteam.com *.thecardinalreferteam.com
thecasesbysourceapp.com *.thecasesbysourceapp.com
thecasesbysourcehq.com *.thecasesbysourcehq.com
thecasesbysourcehub.com *.thecasesbysourcehub.com
thecasesbysourcelabs.com *.thecasesbysourcelabs.com
thecasesbysourcesite.com *.thecasesbysourcesite.com
thecodifiedhq.com *.thecodifiedhq.com
thecrystal.net *.thecrystal.net