SSL Security Test of semrush.com

Test SSL/TLS of your web or email servers for security, PCI DSS, HIPAA & NIST compliance
Free online tool with PDF report
  • Web Server SSL/TLS Security
  • Post-Quantum Cryptography (PQC) Readiness
  • Email Server SSL/TLS Security
  • PCI DSS, HIPAA & NIST Compliance
  • SSL Certificate Test Validity
  • Best-Practices Compliance
Free online tool with PDF report
179,664,742 tests performed
Provided "as is" without any warranty of any kind
149
tests
running
62,912
tests
in 24 hours
Tests in 24 Hours

Summary of semrush.com:443 (HTTPS) SSL Security Test

Provided "as is" without any warranty of any kind.
Date/Time:Mar 27th, 2026 13:56 GMT+0
Source IP/Port:34.120.45.191:443
Protocol:HTTPS
Location:Kansas City, United StatesUnited States
Your final score:
  • A
  • B
  • C
  • F
A

Executive Summary for semrush.com

  • Post-Quantum Cryptography (PQC) Readiness Test
    The server on the tested port is not currently prepared for post-quantum key exchange. The server’s certificate chain relies entirely on classical signature algorithms without post-quantum support. Show details.
  • SSL/TLS Certificate Analysis
    2 certificate chain(s) detected. Show details.
  • PCI DSS Compliance Test
    4 of 11 supported cipher suites are not compliant with PCI DSS. The server supports only PCI DSS compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with PCI DSS: P-256, P-384 and X25519. There are 1 more issue(s) which make the server non-compliant with PCI DSS: potential Marvin Attack. Show details.
  • NIST and HIPAA Compliance Test
    5 of 11 supported cipher suites are not compliant with NIST and HIPAA. The server supports only NIST and HIPAA compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with NIST and HIPAA: P-256, P-384 and X25519. There are 1 more issue(s) which make the server non-compliant with NIST and HIPAA: server does not support OCSP stapling. Show details.
  • Industry Best Practices Test
    No issues related to industry best practices were identified. Show details.

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