Summary of mail.suffix.ru:25 (SMTP) SSL Security Test
Provided "as is" without any warranty of any kind.
This test was made 335 days ago and may be outdated
Refresh Test
Date/Time:Oct 28th, 2025 11:30 GMT+0
Source IP/Port:185.248.102.34:25
Protocol:SMTP
Location:Moscow, Russia
Your final score:
- A
- B
- C
- F
A+
Email server's SPF, DMARC and DKIM 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 mail.suffix.ru
- 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 2048 bits certificate with issuer GlobalSign GCC R6 AlphaSSL CA 2025 valid until November 29, 2026. 1 certificate chain detected. Show details.
- All 5 supported cipher suites are 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-521, P-384, X25519 and X448. No additional PCI DSS compliance issues were identified. Show details.
- 1 of 5 supported cipher suites is 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, P-521, P-384, X25519 and X448. No additional HIPAA compliance issues were identified. Show details.
- No issues related to industry best practices were identified. Show details.
Compliance Summary for mail.suffix.ru
- PCI DSS Compliance Passed: All 5 supported cipher suites are 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-521, P-384, X25519 and X448. No additional PCI DSS compliance issues were identified.
- HIPAA Compliance Failed: 1 of 5 supported cipher suites is 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, P-521, P-384, X25519 and X448. No additional HIPAA compliance issues were identified.
- GDPR Compliance Passed: All 5 supported cipher suites are 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, P-521, P-384, X25519 and X448. No additional GDPR compliance issues were identified.
