DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=usb-prubor.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 11, 2026
Valid Until
May 12, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6D:C8:E1:62:08:DD:50:31:BE:07:CA:65:1F:35:BA:DF:FE:C2:1B:B0:EC:EC:A8:D6:1E:89:C2:30:B2:44:D9:67
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
himmler.com *.himmler.com *.api.himmler.com *.autodiscover.himmler.com *.cisco.himmler.com *.cpanel.himmler.com *.drvpn.himmler.com *.ebay.himmler.com *.firewall.himmler.com *.gate.himmler.com *.mail.himmler.com *.owa.himmler.com *.portal.himmler.com *.ra.himmler.com *.ravpn.himmler.com *.relay.himmler.com *.remote.himmler.com *.sitemaps.himmler.com *.ssl.himmler.com *.sslvpn.himmler.com *.test.himmler.com *.vpn.himmler.com *.webdisk.himmler.com *.ww1.himmler.com

Other domains in certificate

appoy1.xyz *.appoy1.xyz *.id9.appoy1.xyz *.kwid9.appoy1.xyz *.v3ywp.appoy1.xyz *.yhue2.appoy1.xyz
c23.pro *.c23.pro
*.api-stage.crow.finance crow.finance *.crow.finance *.dev.crow.finance *.documentation.crow.finance *.forum.crow.finance *.frontend.crow.finance *.graphql-playground.crow.finance *.landing.crow.finance *.m.crow.finance *.monitoring.crow.finance *.mssql.crow.finance *.mx.crow.finance *.nodejs.crow.finance *.pg.crow.finance *.sitemap.crow.finance *.themes.crow.finance
extramember.biz *.extramember.biz *.gwthai.extramember.biz *.orjdev.extramember.biz
fxcent.online *.fxcent.online
goldenprimerpublishing.org *.goldenprimerpublishing.org *.hostmaster.goldenprimerpublishing.org *.new.goldenprimerpublishing.org *.www.goldenprimerpublishing.org
gossiptalkcentral.xyz *.gossiptalkcentral.xyz *.ndifg.gossiptalkcentral.xyz *.svzzq.gossiptalkcentral.xyz
*.cpcalendars.mejortorrent.vip mejortorrent.vip *.mejortorrent.vip *.vvv.mejortorrent.vip
*.portal.primephysiocare.com primephysiocare.com *.primephysiocare.com *.shop.primephysiocare.com
*.7c5uu1xc5.tartak-rusinek.pl *.bgcpznxc5.tartak-rusinek.pl *.ch4a23xc5.tartak-rusinek.pl *.jprkuxc5.tartak-rusinek.pl *.mhfqg6xc5.tartak-rusinek.pl *.rydfbxc5.tartak-rusinek.pl tartak-rusinek.pl *.tartak-rusinek.pl *.xmwzu3xc5.tartak-rusinek.pl *.z7gglxc5.tartak-rusinek.pl
*.60fbfe22d9a9e.thesync.it *.610bea4f35ba5.thesync.it *.dash.thesync.it *.qunznhth.thesync.it thesync.it *.thesync.it
usb-prubor.com *.usb-prubor.com