Summary of mx1.aok.de:25 (SMTP) SSL Security Test
Provided "as is" without any warranty of any kind.
This test was made 75 days ago and may be outdated
Refresh Test
Date/Time:Aug 21st, 2026 12:38 GMT+0
Source IP/Port:217.110.254.8:25
Protocol:SMTP
Location:Frankfurt am Main, Germany
Your final score:
- A
- B
- C
- F
A-
Email server's SPF and DMARC are properly set.
Good configuration
The server supports the most recent and secure TLS protocol version of TLS 1.3.
Good configuration
The tested service seems to be a SMTP.
Information
Test Results Summary for mx1.aok.de
- The server on the tested port is currently not prepared for post-quantum key exchange. The server’s certificate chain relies entirely on classical signature algorithms without post-quantum support. Show details.
- 1 SSL/TLS end-entity certificate detected: the first certificate is a trusted RSA 4096 bits certificate with issuer GeoTrust TLS RSA CA G1 valid until January 21, 2027. 1 certificate chain detected. Show details.
- 4 of 20 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. There is 1 more issue which makes the server non-compliant with PCI DSS: potential Marvin Attack. Show details.
- 5 of 20 supported cipher suites are not compliant with HIPAA requirements (Ref. NIST SP 800-52). The server supports only HIPAA compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with HIPAA: P-256. There is 1 more issue which makes the server non-compliant with HIPAA: server does not support OCSP stapling. Show details.
- No issues related to industry best practices were identified. Show details.
Compliance Summary for mx1.aok.de
- PCI DSS Compliance Failed: 4 of 20 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. There is 1 more issue which makes the server non-compliant with PCI DSS: potential Marvin Attack.
- HIPAA Compliance Failed: 5 of 20 supported cipher suites are not compliant with HIPAA requirements (Ref. NIST SP 800-52). The server supports only HIPAA compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with HIPAA: P-256. There is 1 more issue which makes the server non-compliant with HIPAA: server does not support OCSP stapling.
- GDPR Compliance Failed: 4 of 20 supported cipher suites are not compliant with GDPR. The server supports only GDPR compliant protocols: TLSv1.2 and TLSv1.3. All supported elliptic curves are compliant with GDPR: P-256. There is 1 more issue which makes the server non-compliant with GDPR: potential Marvin Attack.
