DNS Gurus
Cached · just now
79/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=ischemicstroke.org
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 04, 2026
Valid Until
May 05, 2026 77 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A0:92:D8:7F:50:73:69:D3:3C:9E:40:A8:1D:0A:61:0B:3D:F0:A3:55:49:A6:5D:27:19:E8:E4:20:3A:9B:D1:C0
Alternative Names
89 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 Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
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-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

89 domains
jsjtx.co *.jsjtx.co

Other domains in certificate

ischemicstroke.org *.ischemicstroke.org
iscreenglass.com *.iscreenglass.com
iseeyouall.it *.iseeyouall.it
iskconvvnagar.org *.iskconvvnagar.org
israelenalia.org *.israelenalia.org
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jdyqu.net *.jdyqu.net
jkdjj1.com *.jkdjj1.com
joeburgos.com *.joeburgos.com
joehachem.it *.joehachem.it
journeyacrossworld.live *.journeyacrossworld.live
joyfulcelebrationweddings.beauty *.joyfulcelebrationweddings.beauty
jsopf.pro *.jsopf.pro
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pureharleys.com *.pureharleys.com
purge-mask.us *.purge-mask.us
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qualitylabel.in *.qualitylabel.in
qw21i.pics *.qw21i.pics
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rtplivelaku.digital *.rtplivelaku.digital
rtpprediksi77.my *.rtpprediksi77.my
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