Summary of mx.core.locaweb.com.br:25 (SMTP) SSL Security Test
Provided "as is" without any warranty of any kind.
This test was made 70 days ago and may be outdated
Refresh Test
Date/Time:Jan 21st, 2026 23:47 GMT+0
Source IP/Port:177.153.23.241:25
Protocol:SMTP
Location:Rio de Janeiro, Brazil
Your final score:
- A
- B
- C
- F
F
Executive Summary for mx.core.locaweb.com.br
- 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.
- 1 certificate chain(s) detected. Show details.
- 16 of 29 supported cipher suites are not compliant with PCI DSS. The server supports PCI DSS compliant protocols (TLSv1.3) as well as non-compliant protocols (TLSv1.0 and TLSv1.1). All supported elliptic curves are compliant with PCI DSS: P-384, P-521, P-256, X25519 and X448. There are 2 more issue(s) which make the server non-compliant with PCI DSS: certificates are untrusted, potential Marvin Attack. Show details.
- 20 of 29 supported cipher suites are not compliant with NIST and HIPAA. The server supports NIST and HIPAA compliant protocols (TLSv1.3) as well as non-compliant protocols (TLSv1.0 and TLSv1.1). All supported elliptic curves are compliant with NIST and HIPAA: P-384, P-521, P-256, X25519 and X448. There are 1 more issue(s) which make the server non-compliant with NIST and HIPAA: server does not support OCSP stapling. Show details.
- 2 issue(s) related to industry best practices were identified: s. Show details.
