SSL/TLS Analysis for typescriptlang.org

Analyzed on November 02, 2025 at 19:10 UTC

Security Score
79 / 100

Certificate Information

Subject
C=US, ST=WA, L=Redmond, O=Microsoft Corporation, CN=surface.com
Issuer
C=US, O=Microsoft Corporation, CN=Microsoft Azure RSA TLS Issuing CA 08
Valid From
October 01, 2025
Valid Until
March 30, 2026 147 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
15:D7:C4:2B:5B:6B:67:F7:D2:DF:C2:68:01:36:86:75:DD:14:70:3B:8B:4F:0A:06:C9:6D:4E:76:A9:3A:A5:14
Alternative Names

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31556952; includeSubDomains; preload
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 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
Configured (Restricts certificate issuance)
Current Issuer
Not Authorized (Potential misconfiguration)
CAA Issues
  • CRITICAL: Current certificate issuer 'C=US, O=Microsoft Corporation, CN=Microsoft Azure RSA TLS Issuing CA 08' is NOT authorized by CAA records. Authorized CAs:
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

187 domains
typescriptlang.org

Other domains in certificate

425show.dev www.425show.dev
ambetion.be www.ambetion.be
ambetion.digital www.ambetion.digital
azurecontainerapp.com
azurecontainerapp.dev
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gears5.com www.gears5.com
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gearspop.com www.gearspop.com
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gigjam.com www.gigjam.com
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maquette.ms www.maquette.ms
mhybrid.cz
microsoft.az
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microsoft.it www.microsoft.it
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microsoft.pl www.microsoft.pl
microsoft.pt
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microsoft.ru www.microsoft.ru
microsoft.se
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microsoftcloud.com www.microsoftcloud.com
blog.microsoftedge.com bugs.microsoftedge.com changelog.microsoftedge.com data.microsoftedge.com dev.microsoftedge.com issues.microsoftedge.com microsoftedge.com status.microsoftedge.com testdrive.microsoftedge.com www.microsoftedge.com
microsoftfederal.com
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mmynte.es www.mmynte.es
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feedback.msdn.com msdn.com www.msdn.com
msftgamedev.com www.msftgamedev.com
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msgamedev.com www.msgamedev.com
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nuget.ms www.nuget.ms
olxwiki.com www.olxwiki.com
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ratify.sh
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skype.tv www.skype.tv
myservice.surface.com surface.com www.surface.com
surfacepreskoly.sk
toycorp.org
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hardwaredev.windows.com it.windows.com itpro.windows.com windows.com www.windows.com
windows.nl www.windows.nl
windowscontinuum.com
windowsmarketplace.com www.windowsmarketplace.com
windowsuglysweater.com
winhec.com www.winhec.com
winhec.net www.winhec.net
myservice.xbox.com xbox.com