DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=artsetc.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 05, 2026
Valid Until
May 06, 2026 84 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
90:A3:8B:83:A3:05:AB:0D:E8:A2:D1:6F:B5:0C:F2:3D:BF:4D:C5:8E:D4:38:E3:82:7B:EB:48:96:1F:F8:E0:34
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
airuan.com *.airuan.com

Other domains in certificate

18cam.xyz *.18cam.xyz *.app.18cam.xyz *.cdn.18cam.xyz *.d.18cam.xyz *.dashboard.18cam.xyz *.hostmaster.18cam.xyz *.origin.18cam.xyz *.random.18cam.xyz *.sitemap.18cam.xyz *.sitemaps.18cam.xyz *.wildcard.18cam.xyz *.ww1.18cam.xyz *.ww25.18cam.xyz *.ww38.18cam.xyz *.ww4.18cam.xyz *.www-origin.18cam.xyz *.www.18cam.xyz
acquihires.com *.acquihires.com
adithi.com *.adithi.com
americantheory.com *.americantheory.com
amuzesh.com *.amuzesh.com
arlaadi.com *.arlaadi.com
artbykathy.com *.artbykathy.com
artsetc.com *.artsetc.com
asianvideo.online *.asianvideo.online
attic.agency *.attic.agency *.e.attic.agency *.qa-insight.attic.agency
bajos.net *.bajos.net *.random.bajos.net *.ww1.bajos.net
*.comillas.corporated.org corporated.org *.corporated.org
menuenlinea.com *.menuenlinea.com *.ww01.menuenlinea.com
*.admin.paintwithdiamond.com *.blog.paintwithdiamond.com paintwithdiamond.com *.paintwithdiamond.com *.wildcard.paintwithdiamond.com *.ww38.paintwithdiamond.com
*.assets.pinlang.com *.mail.pinlang.com pinlang.com *.pinlang.com *.webmail.pinlang.com
portacoeli.com *.portacoeli.com *.ww1.portacoeli.com
*.corp.publicschoolwork.com publicschoolwork.com *.publicschoolwork.com *.tripod.publicschoolwork.com
sonmezinsaat.com *.sonmezinsaat.com
staticore.com *.staticore.com
wphelpchat.com *.wphelpchat.com
xcrax.pro *.xcrax.pro
*.blog.xn--6fr28a.com *.dashboard.xn--6fr28a.com *.hostmaster.xn--6fr28a.com *.sitemaps.xn--6fr28a.com xn--6fr28a.com *.xn--6fr28a.com
xn--m7r56jm7zrb.com *.xn--m7r56jm7zrb.com
yfeczem6.top *.yfeczem6.top
z44od9.top *.z44od9.top
zhihe-wangluo.cn *.zhihe-wangluo.cn