DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=invalidov.net
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 27, 2026
Valid Until
April 27, 2026 88 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
48:B1:E3:A9:88:A6:03:37:46:2A:48:1D:7F:C1:89:60:C3:7B:A3:D0:B5:F6:C2:ED:5F:03:F2:42:5F:BC:D1:3E
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
invalidov.net *.invalidov.net *.64f4b22a-cfcd-4ade-9eb3-d6bed6b3d62b.invalidov.net *.abc.invalidov.net *.access.invalidov.net *.account.invalidov.net *.anyconnect.invalidov.net *.api.invalidov.net *.apps.invalidov.net *.autoconfig.invalidov.net *.ci.invalidov.net *.client.invalidov.net *.cloudvpn.invalidov.net *.cpanel.invalidov.net *.cpcalendars.invalidov.net *.cwp.invalidov.net *.fortigate.invalidov.net *.fortinet.invalidov.net *.fortivpn.invalidov.net *.gateway.invalidov.net *.gbigvwwww.invalidov.net *.gpt.invalidov.net *.imap.invalidov.net *.localhost.invalidov.net *.mail6.invalidov.net *.new.invalidov.net *.news.invalidov.net *.office.invalidov.net *.portal.invalidov.net *.postmaster.invalidov.net *.qa.invalidov.net *.rd.invalidov.net *.relay.invalidov.net *.remoteapp.invalidov.net *.sitemap.invalidov.net *.sitemaps.invalidov.net *.ssl.invalidov.net *.sso.invalidov.net *.webapps.invalidov.net *.webmail.invalidov.net *.wildcard.invalidov.net *.ww16.invalidov.net *.ww38.invalidov.net

Other domains in certificate

barqchain.com *.barqchain.com
*.app.bigtitspornarchive.xyz bigtitspornarchive.xyz *.bigtitspornarchive.xyz *.ww38.bigtitspornarchive.xyz *.www.bigtitspornarchive.xyz
espnstarsport.com *.espnstarsport.com *.ww16.espnstarsport.com *.ww17.espnstarsport.com *.ww38.espnstarsport.com
febder.com *.febder.com *.helpdesk.febder.com *.hostmaster.febder.com *.play.febder.com *.ww25.febder.com *.ww38.febder.com
*.autoconfig.kupony.site *.cpcontacts.kupony.site *.ftp.kupony.site kupony.site *.kupony.site *.webmail.kupony.site *.www.kupony.site
*.123.shoumei.com *.comune.shoumei.com *.demo2.shoumei.com *.gold.shoumei.com *.learn.shoumei.com *.mail.shoumei.com *.media.shoumei.com *.mm.shoumei.com *.mobile.shoumei.com *.no.shoumei.com *.ns2.shoumei.com *.ochiai.shoumei.com *.online.shoumei.com *.origin.shoumei.com shoumei.com *.shoumei.com *.sms.shoumei.com *.ww1.shoumei.com *.ww25.shoumei.com *.ww38.shoumei.com *.xxx.shoumei.com