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 08, 2026
Valid Until
May 09, 2026 88 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E5:43:45:BD:32:87:C7:62:66:D4:5E:E0:63:28:CA:A3:A9:3E:C5:46:F7:24:37:94:67:6F:D7:0D:74:73:AE:6E
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
masound.com *.masound.com *.backup.masound.com

Other domains in certificate

1024day.vip *.1024day.vip *.external.1024day.vip *.jpnscrav.1024day.vip *.mail.1024day.vip *.new.1024day.vip *.portal.1024day.vip *.share.1024day.vip
almala.com *.almala.com *.m.almala.com *.wiki.almala.com *.ww1.almala.com *.ww16.almala.com
armtrack.com *.armtrack.com *.random.armtrack.com *.store.armtrack.com *.ww38.armtrack.com
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
camboy.us *.camboy.us
*.blog.exaltacion.com exaltacion.com *.exaltacion.com
junkremovalkilleen.com *.junkremovalkilleen.com *.lknmcpif.junkremovalkilleen.com
krivokapic.com *.krivokapic.com *.wiki.krivokapic.com *.ww11.krivokapic.com *.ww25.krivokapic.com
*.com.lkmnv.me lkmnv.me *.lkmnv.me
pzzzzgg.cc *.pzzzzgg.cc *.ww25.pzzzzgg.cc
thairestaurants.com.au *.thairestaurants.com.au *.ww84.thairestaurants.com.au
*.hostmaster.toryburch.store toryburch.store *.toryburch.store
txtmail.com *.txtmail.com
*.blog.uncledkoe.shop *.mail02.uncledkoe.shop uncledkoe.shop *.uncledkoe.shop *.www6.uncledkoe.shop
*.random.valuemyproperty.au valuemyproperty.au *.valuemyproperty.au *.ww17.valuemyproperty.au *.ww25.valuemyproperty.au
walmarw.com *.walmarw.com
worldticketshop.de *.worldticketshop.de *.www.worldticketshop.de