SSL Security Test of
www.duke.edu

Test the SSL/TLS stack of your web or email server for security, cryptographic flaws and misconfigurations, and compliance with NIST & HIPAA
Free online tool with PDF report
  • Web Server SSL/TLS Security
  • Post-Quantum Cryptography (PQC) Readiness
  • Email Server SSL/TLS Security
  • PCI DSS, GDPR, HIPAA & NIST Compliance
  • SSL Certificate Validity
  • Best-Practices Compliance
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188,711,298 tests performed
Provided "as is" without any warranty of any kind
206
tests
running
104,163
tests
in 24 hours
Tests in 24 Hours
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Summary of www.duke.edu:443 (HTTPS) SSL Security Test

Provided "as is" without any warranty of any kind.
This test was made 37 days ago and may be outdated
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Date/Time:Oct 3rd, 2026 05:56 GMT+0
Source IP/Port:152.3.72.243:443
Protocol:HTTPS
Location:Durham, United StatesUnited States
Your final score:
  • A
  • B
  • C
  • F
N
It seems that the port is closed, or your system is blocking one of our IP ranges: 192.175.111.224/27, 64.15.129.96/27. Please, whitelist our subnets for successful continuation of the test.
Misconfiguration or weakness

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