DNS Gurus
Cached · just now
79/100 SECURITY SCORE

Certificate Information

Subject
CN=wsyfk.xyz
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 12, 2026
Valid Until
April 12, 2026 61 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6B:C4:58:44:D4:38:EA:63:F6:F0:CE:3A:81:8A:EF:3E:E1:C3:40:86:6D:2A:33:5D:1A:95:C6:A4:9E:8E:78:42
Alternative Names
89 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
Good
SAMEORIGIN
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-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
kasera.com *.kasera.com *.fb.kasera.com *.flash.kasera.com *.gmail.kasera.com *.login.kasera.com *.news.kasera.com *.p.kasera.com

Other domains in certificate

99bririyani.store *.99bririyani.store
aimoviemaker.live *.aimoviemaker.live
aspendntal.com *.aspendntal.com *.autodiscover.aspendntal.com *.autos.aspendntal.com *.careers.aspendntal.com *.citrix.aspendntal.com *.ww25.aspendntal.com
ballistichelmet.org *.ballistichelmet.org
blxd.io *.blxd.io
chatsite.com.au *.chatsite.com.au *.static.chatsite.com.au
check-solvprotocol.com *.check-solvprotocol.com
chicofamily.com *.chicofamily.com
corewellhealt.org *.corewellhealt.org *.mychart.corewellhealt.org
dhsmendixcloud.com *.dhsmendixcloud.com
*.admin.elcampoinnova.co *.demo.elcampoinnova.co *.dev.elcampoinnova.co elcampoinnova.co *.elcampoinnova.co *.feria.elcampoinnova.co *.fiia2021.elcampoinnova.co *.fiia21.elcampoinnova.co *.union.elcampoinnova.co *.virtour.elcampoinnova.co
farm-otdel.store *.farm-otdel.store
ha-logistics.co.uk *.ha-logistics.co.uk
hernova.store *.hernova.store
*.25.hja3db.top hja3db.top *.hja3db.top *.ww25.hja3db.top *.ww38.hja3db.top
mlnlp.world *.mlnlp.world
paulsminibuses.com *.paulsminibuses.com *.random.paulsminibuses.com *.ww38.paulsminibuses.com
shakespearefishing.com *.shakespearefishing.com *.website.shakespearefishing.com *.www.shakespearefishing.com
skillebyholm.org *.skillebyholm.org
supercaht.live *.supercaht.live *.ww16.supercaht.live *.zh.supercaht.live
sweet111.xyz *.sweet111.xyz *.ww11.sweet111.xyz *.ww25.sweet111.xyz *.ww38.sweet111.xyz
vipro.space *.vipro.space
vrfy38-schoolsfirstfcu.org *.vrfy38-schoolsfirstfcu.org
warships.au *.warships.au
wsyfk.xyz *.wsyfk.xyz *.ww25.wsyfk.xyz
*.onboarding.wulfcreatives.com wulfcreatives.com *.wulfcreatives.com