DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=captain.services
Issuer
C=US, O=Let's Encrypt, CN=R12
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
81:CA:42:E7:F2:63:B8:34:1A:F1:7A:6B:0A:35:3F:2E:00:D9:2C:BF:5E:F6:F4:77:48:5B:D9:D7:21:22:69:79
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
4esquinas.com *.4esquinas.com *.www.4esquinas.com

Other domains in certificate

16087.pizza *.16087.pizza
29023.loan *.29023.loan
7p55.xyz *.7p55.xyz *.dev.7p55.xyz
afshinyousefpour.co.uk *.afshinyousefpour.co.uk
antondoncheff.pro *.antondoncheff.pro
apple-account.services *.apple-account.services
captain.services *.captain.services
champion21.cc *.champion21.cc *.random.champion21.cc *.ww25.champion21.cc
jskim.com *.jskim.com *.remote.jskim.com *.win-n31ig3mmrdl.jskim.com
*.api.kosuljice.pink *.app.kosuljice.pink *.dev.kosuljice.pink *.fqoslww25.kosuljice.pink *.home.kosuljice.pink kosuljice.pink *.kosuljice.pink *.m.kosuljice.pink *.news.kosuljice.pink *.random.kosuljice.pink *.sitemaps.kosuljice.pink *.wap.kosuljice.pink *.wildcard.kosuljice.pink *.ww1.kosuljice.pink *.ww16.kosuljice.pink *.ww25.kosuljice.pink *.ww33.kosuljice.pink *.ww38.kosuljice.pink *.www.kosuljice.pink
laodisea.com *.laodisea.com
lasmercedes.com *.lasmercedes.com
lemwood.com *.lemwood.com
liesbet.com *.liesbet.com
lkgg188.xyz *.lkgg188.xyz
*.cpcontacts.maghreb.today maghreb.today *.maghreb.today
majesticweddingsconcepts.beauty *.majesticweddingsconcepts.beauty
*.m.myclix.com myclix.com *.myclix.com *.store.myclix.com
*.hostmaster.pimperish.com *.m.pimperish.com pimperish.com *.pimperish.com
playlearn.co.uk *.playlearn.co.uk
sexx6.life *.sexx6.life
southcarolinaexchange.com *.southcarolinaexchange.com *.www.southcarolinaexchange.com
*.anyconnect.volgo.com *.gateway.volgo.com volgo.com *.volgo.com *.vpn.volgo.com *.ww1.volgo.com *.www.volgo.com
*.dev.xn--ur0aa.com *.m.xn--ur0aa.com *.rd.xn--ur0aa.com *.remote.xn--ur0aa.com *.teste.xn--ur0aa.com *.vpn.xn--ur0aa.com xn--ur0aa.com *.xn--ur0aa.com