DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=howtotypesymbols.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 09, 2026
Valid Until
May 10, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
68:2B:AC:53:13:66:F5:E2:57:0C:ED:60:A8:4A:DF:CB:8F:09:8D:E4:1C:6C:6A:B1:A5:AA:71:04:3C:8E:13:E7
Alternative Names
88 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

88 domains
facilitando.com *.facilitando.com *.gradual.facilitando.com *.sitemaps.facilitando.com *.webmail.facilitando.com *.ww25.facilitando.com *.ww38.facilitando.com *.www.facilitando.com

Other domains in certificate

caseonline.it *.caseonline.it *.milleniumvacanze.caseonline.it
*.app.corenestworld.org corenestworld.org *.corenestworld.org
*.api.dfa.bet dfa.bet *.dfa.bet *.mail.dfa.bet
*.access.fatik.com *.apps.fatik.com *.baba.fatik.com *.bestellen.fatik.com *.blog.fatik.com *.cloud.fatik.com *.czwitrds.fatik.com fatik.com *.fatik.com *.gateway.fatik.com *.m.fatik.com *.mail.fatik.com *.portal.fatik.com *.rdp.fatik.com *.rds.fatik.com *.rdweb.fatik.com *.remote.fatik.com *.surici.fatik.com *.ts.fatik.com *.vpn.fatik.com *.ww11.fatik.com *.ww16.fatik.com *.ww5.fatik.com
*.dc.fudan.site fudan.site *.fudan.site *.genshin.fudan.site *.openai.fudan.site *.proxy-pandora.fudan.site *.stuvpn.fudan.site *.vercel-ai-pro.fudan.site
*.admc.fullsexviet.com *.forticlient.fullsexviet.com fullsexviet.com *.fullsexviet.com *.ns.fullsexviet.com *.rustore.fullsexviet.com *.vpn.fullsexviet.com *.webmail.fullsexviet.com *.www.fullsexviet.com
howtotypesymbols.com *.howtotypesymbols.com
*.cynghj.linearhe.shop *.fkrzcn.linearhe.shop linearhe.shop *.linearhe.shop
*.cargo.napacharter.com *.dev.napacharter.com *.hostmaster.napacharter.com *.m.napacharter.com napacharter.com *.napacharter.com *.rdsgw.napacharter.com *.remote4.napacharter.com *.shop.napacharter.com
overwatchle.xyz *.overwatchle.xyz *.pay.overwatchle.xyz *.solr.overwatchle.xyz *.ww25.overwatchle.xyz
*.comwww743sihucomwww.se003.xyz se003.xyz *.se003.xyz
*.agent.unsend.it *.owa.unsend.it unsend.it *.unsend.it
virtualcard.us *.virtualcard.us *.ywumrftmcm.virtualcard.us