DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=txtmail.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 06, 2026
Valid Until
May 07, 2026 88 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B9:A3:8A:80:47:F9:CB:34:8B:F8:18:76:77:02:47:FD:7E:D0:FA:03:46:07:98:44:EB:53:E8:D1:97:33:D7:1F
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
exaltacion.com *.exaltacion.com *.blog.exaltacion.com

Other domains in certificate

atextil.com *.atextil.com *.ebay.atextil.com *.ww25.atextil.com *.ww5.atextil.com
bbav1.com *.bbav1.com *.service.bbav1.com *.vps.bbav1.com
*.api.bimbaylolaes-outlet.shop *.app.bimbaylolaes-outlet.shop bimbaylolaes-outlet.shop *.bimbaylolaes-outlet.shop *.boss.bimbaylolaes-outlet.shop *.dev.bimbaylolaes-outlet.shop *.home.bimbaylolaes-outlet.shop *.m.bimbaylolaes-outlet.shop *.mobile.bimbaylolaes-outlet.shop *.news.bimbaylolaes-outlet.shop *.sitemap.bimbaylolaes-outlet.shop *.sitemaps.bimbaylolaes-outlet.shop *.wap.bimbaylolaes-outlet.shop *.web.bimbaylolaes-outlet.shop *.wildcard.bimbaylolaes-outlet.shop *.ww25.bimbaylolaes-outlet.shop *.www.bimbaylolaes-outlet.shop
*.ac31.indexlien.com *.acrobate.indexlien.com *.annuref.indexlien.com *.arbres.indexlien.com *.astre.indexlien.com *.blog.indexlien.com *.bowling.indexlien.com *.cherchertrouver.indexlien.com *.citrouille.indexlien.com *.entreprise.indexlien.com *.iledefrance.indexlien.com indexlien.com *.indexlien.com *.journaliste.indexlien.com *.pcref.indexlien.com *.peugeot.indexlien.com *.policier.indexlien.com *.reftopliens.indexlien.com *.requin.indexlien.com *.reservoir.indexlien.com *.siteprefere.indexlien.com *.table.indexlien.com *.tapis.indexlien.com *.xn--vtrinaire-b4ab.indexlien.com
*.api.kalavrita.com *.backup.kalavrita.com *.dev.kalavrita.com *.hostmaster.kalavrita.com kalavrita.com *.kalavrita.com *.mail.kalavrita.com *.test.kalavrita.com *.ww11.kalavrita.com
*.com.lkmnv.me lkmnv.me *.lkmnv.me
*.backup.masound.com masound.com *.masound.com
*.0d306b09-816a-4660-8ce3-5bfc1c6b6018.mynsec.com *.cdn.mynsec.com *.cpanel.mynsec.com *.e284da5d-5006-4ed7-bb13-40052c6a0331.mynsec.com *.ftp.mynsec.com mynsec.com *.mynsec.com *.tp.mynsec.com *.track.mynsec.com *.ww1.mynsec.com
txtmail.com *.txtmail.com
*.random.valuemyproperty.au valuemyproperty.au *.valuemyproperty.au *.ww17.valuemyproperty.au *.ww25.valuemyproperty.au
walmarw.com *.walmarw.com
worldticketshop.de *.worldticketshop.de *.www.worldticketshop.de